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<!-- XBRL Document Created with XBRLMaster --> |
<!-- Version: 2.3.08 --> |
<!-- Based on XBRL 2.1 --> |
<!-- Date of creation: 11/13/2023 --> |
<!-- Software architectural design and coding: A'c Dharmapremananda Avt. --> |
<!-- Copyright (c) 2023 I-NET Business Solutions, Inc. All Rights Reserved. --> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapMajorPropertyClassDomain_77bcb6" xlink:to="loc_gthpSoftwareLicenseArrangementOneMember_b3a19e" order="42"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="loc_us-gaapFurnitureAndFixturesMember_5cfa4b"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapPropertyPlantAndEquipmentTypeDomain_951302" xlink:to="loc_us-gaapFurnitureAndFixturesMember_5cfa4b" order="43"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_LeaseholdImprovementsOneMember" xlink:label="loc_gthpLeaseholdImprovementsOneMember_46cf91"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapMajorPropertyClassDomain_77bcb6" xlink:to="loc_gthpLeaseholdImprovementsOneMember_46cf91" order="44"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaapAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_ea2989"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_8ff53c" xlink:to="loc_us-gaapAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_ea2989" order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaapPropertyPlantAndEquipmentNet_06d780"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_8ff53c" xlink:to="loc_us-gaapPropertyPlantAndEquipmentNet_06d780" order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaapPropertyPlantAndEquipmentGross_f6888a"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_8ff53c" xlink:to="loc_us-gaapPropertyPlantAndEquipmentGross_f6888a" order="3"/> |
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| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedBonusesCurrentAndNoncurrent" xlink:label="loc_us-gaapAccruedBonusesCurrentAndNoncurrent_a23e32"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapAccountingPoliciesAbstract_2f1384" xlink:to="loc_us-gaapAccruedBonusesCurrentAndNoncurrent_a23e32" order="1"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent" xlink:label="loc_us-gaapAccruedProfessionalFeesCurrentAndNoncurrent_708ff2"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapAccountingPoliciesAbstract_2f1384" xlink:to="loc_us-gaapAccruedProfessionalFeesCurrentAndNoncurrent_708ff2" order="2"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_AccruedStockSubscriptionPayable" xlink:label="loc_gthpAccruedStockSubscriptionPayable_f0a761"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapAccountingPoliciesAbstract_2f1384" xlink:to="loc_gthpAccruedStockSubscriptionPayable_f0a761" order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaapInterestPayableCurrent_176d41"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapAccountingPoliciesAbstract_2f1384" xlink:to="loc_us-gaapInterestPayableCurrent_176d41" order="4"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedVacationCurrentAndNoncurrent" xlink:label="loc_us-gaapAccruedVacationCurrentAndNoncurrent_50fad4"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapAccountingPoliciesAbstract_2f1384" xlink:to="loc_us-gaapAccruedVacationCurrentAndNoncurrent_50fad4" order="5"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DividendsPayableCurrent" xlink:label="loc_us-gaapDividendsPayableCurrent_757526"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapAccountingPoliciesAbstract_2f1384" xlink:to="loc_us-gaapDividendsPayableCurrent_757526" order="6"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaapOtherAccruedLiabilitiesCurrentAndNoncurrent_c8c82e"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapAccountingPoliciesAbstract_2f1384" xlink:to="loc_us-gaapOtherAccruedLiabilitiesCurrentAndNoncurrent_c8c82e" order="7"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaapAccruedLiabilitiesCurrentAndNoncurrent_8a85fa"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapAccountingPoliciesAbstract_2f1384" xlink:to="loc_us-gaapAccruedLiabilitiesCurrentAndNoncurrent_8a85fa" order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://guidedinc.com/role/SignificantAccountingPoliciesDetailsNarrative" xlink:title="000033 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)"> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaapAccountingPoliciesAbstract_1b8c28"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable_47f9f6"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapAccountingPoliciesAbstract_1b8c28" xlink:to="loc_us-gaapStatementTable_47f9f6" order="100"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems_85d407"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_47f9f6" xlink:to="loc_us-gaapStatementLineItems_85d407" order="2000"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaapStatementClassOfStockAxis_2ef1a0"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_47f9f6" xlink:to="loc_us-gaapStatementClassOfStockAxis_2ef1a0" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaapClassOfStockDomain_034d18"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementClassOfStockAxis_2ef1a0" xlink:to="loc_us-gaapClassOfStockDomain_034d18" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="loc_us-gaapClassOfWarrantOrRightAxis_c6986b"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_47f9f6" xlink:to="loc_us-gaapClassOfWarrantOrRightAxis_c6986b" order="30"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="loc_us-gaapClassOfWarrantOrRightDomain_0f766b"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapClassOfWarrantOrRightAxis_c6986b" xlink:to="loc_us-gaapClassOfWarrantOrRightDomain_0f766b" order="30"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_StockIssuedToConsultantsMember" xlink:label="loc_gthpStockIssuedToConsultantsMember_fea644"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapClassOfStockDomain_034d18" xlink:to="loc_gthpStockIssuedToConsultantsMember_fea644" order="31"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_WarrantsIssuedToConsultantsAndExecutivesMember" xlink:label="loc_gthpWarrantsIssuedToConsultantsAndExecutivesMember_a7b6cb"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapClassOfWarrantOrRightDomain_0f766b" xlink:to="loc_gthpWarrantsIssuedToConsultantsAndExecutivesMember_a7b6cb" order="32"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaapAccountsReceivableGrossCurrent_6337b6"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_85d407" xlink:to="loc_us-gaapAccountsReceivableGrossCurrent_6337b6" order="1"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DepreciationNonproduction" xlink:label="loc_us-gaapDepreciationNonproduction_546d8a"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_85d407" xlink:to="loc_us-gaapDepreciationNonproduction_546d8a" order="2"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccretionExpense" xlink:label="loc_us-gaapAccretionExpense_09128c"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_85d407" xlink:to="loc_us-gaapAccretionExpense_09128c" order="3"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:label="loc_us-gaapAllowanceForDoubtfulAccountsReceivable_2340a7"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_85d407" xlink:to="loc_us-gaapAllowanceForDoubtfulAccountsReceivable_2340a7" order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredRevenue" xlink:label="loc_us-gaapDeferredRevenue_7df1e7"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_85d407" xlink:to="loc_us-gaapDeferredRevenue_7df1e7" order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligation" xlink:label="loc_us-gaapRevenueRemainingPerformanceObligation_ef308e"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_85d407" xlink:to="loc_us-gaapRevenueRemainingPerformanceObligation_ef308e" order="6"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="loc_us-gaapOperatingLossCarryforwards_e80aab"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_85d407" xlink:to="loc_us-gaapOperatingLossCarryforwards_e80aab" order="7"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PremiumsPercentageAssumedToNet" xlink:label="loc_us-gaapPremiumsPercentageAssumedToNet_030f06"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_85d407" xlink:to="loc_us-gaapPremiumsPercentageAssumedToNet_030f06" order="8"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ExcessedAmountOfInsuredLimitations" xlink:label="loc_gthpExcessedAmountOfInsuredLimitations_ed9bfb"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_85d407" xlink:to="loc_gthpExcessedAmountOfInsuredLimitations_ed9bfb" order="9"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockOptionPlanExpense" xlink:label="loc_us-gaapStockOptionPlanExpense_d1626b"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_85d407" xlink:to="loc_us-gaapStockOptionPlanExpense_d1626b" order="10"/> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://guidedinc.com/role/FairValueOfFinancialInstrumentsDetails" xlink:title="000034 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Details)"> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaapFairValueDisclosuresAbstract_78279e"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable_b2154d"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapConversionOfStockSharesIssued1_252f29" order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapOptionIndexedToIssuersEquityStrikePrice1_418ab9" order="9"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpPreferredStockSharesDesignated_b9be6d" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CapitalUnitsOutstanding" xlink:label="loc_us-gaapCapitalUnitsOutstanding_541dca"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapCapitalUnitsOutstanding_541dca" order="11"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities" xlink:label="loc_us-gaapIncrementalCommonSharesAttributableToConversionOfDebtSecurities_c7cd57"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapIncrementalCommonSharesAttributableToConversionOfDebtSecurities_c7cd57" order="12"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_CumulativeDividendAnnualRate" xlink:label="loc_gthpCumulativeDividendAnnualRate_24b012"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpCumulativeDividendAnnualRate_24b012" order="13"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_UnpaidAccruedDividends" xlink:label="loc_gthpUnpaidAccruedDividends_192c05"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpMakeWholePaymentForConvertedShare_a4d047" order="15"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockLiquidationPreferenceValue" xlink:label="loc_us-gaapPreferredStockLiquidationPreferenceValue_54b640"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapPreferredStockLiquidationPreferenceValue_54b640" order="16"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockConvertibleSharesIssuable" xlink:label="loc_us-gaapPreferredStockConvertibleSharesIssuable_85b383"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapPreferredStockConvertibleSharesIssuable_85b383" order="17"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonUnitIssued" xlink:label="loc_us-gaapCommonUnitIssued_ff22b1"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapCommonUnitIssued_ff22b1" order="18"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaapPreferredStockParOrStatedValuePerShare_7b3803"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapPreferredStockParOrStatedValuePerShare_7b3803" order="19" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_PercentageOfDividend" xlink:label="loc_gthpPercentageOfDividend_f1454b"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpPercentageOfDividend_f1454b" order="20"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_IncreasedBeneficialOwnershipPercentage" xlink:label="loc_gthpIncreasedBeneficialOwnershipPercentage_fb18d0"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpIncreasedBeneficialOwnershipPercentage_fb18d0" order="21"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_CommonStockPrimaryTradingSharesExceed" xlink:label="loc_gthpCommonStockPrimaryTradingSharesExceed_42894d"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpCommonStockPrimaryTradingSharesExceed_42894d" order="22"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpExceedsPercentage_06bf81" order="23"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_PreferredStockShareOutstanding" xlink:label="loc_gthpPreferredStockShareOutstanding_ebfed5"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpPreferredStockShareOutstanding_ebfed5" order="24" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ConversionBeneficialOwnershipLimitation" xlink:label="loc_gthpConversionBeneficialOwnershipLimitation_4356b8"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpConversionBeneficialOwnershipLimitation_4356b8" order="25"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_MaturityOfTimeDeposit" xlink:label="loc_gthpMaturityOfTimeDeposit_b36cc2"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpMaturityOfTimeDeposit_b36cc2" order="26"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_SeriesF2PreferredStockDividendsShares" xlink:label="loc_gthpSeriesF2PreferredStockDividendsShares_58fcc4"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpSeriesF2PreferredStockDividendsShares_58fcc4" order="27"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockPreferredShares" xlink:label="loc_us-gaapTreasuryStockPreferredShares_ac9a86"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapTreasuryStockPreferredShares_ac9a86" order="28"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_StatedValueOfPreferenceShare" xlink:label="loc_gthpStatedValueOfPreferenceShare_a2f4ce"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpStatedValueOfPreferenceShare_a2f4ce" order="29"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_StrikePriceOfWarrants" xlink:label="loc_gthpStrikePriceOfWarrants_58dc02"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpStrikePriceOfWarrants_58dc02" order="30"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_VestedShsres" xlink:label="loc_gthpVestedShsres_faf13d"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpVestedShsres_faf13d" order="31"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaapSharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_7216aa"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapSharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_7216aa" order="32"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAverageAmountOutstanding" xlink:label="loc_us-gaapLongTermDebtAverageAmountOutstanding_c4d1c5"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapLongTermDebtAverageAmountOutstanding_c4d1c5" order="33"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ExchangeCommonStockWarrants" xlink:label="loc_gthpExchangeCommonStockWarrants_2f4814"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpExchangeCommonStockWarrants_2f4814" order="34"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaapPreferredStockSharesIssued_fe02b6"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapPreferredStockSharesIssued_fe02b6" order="35" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_PreferredStockSharesIssuedOne" xlink:label="loc_gthpPreferredStockSharesIssuedOne_b60b27"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpPreferredStockSharesIssuedOne_b60b27" order="36"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaapPreferredStockSharesOutstanding_c064d3"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapPreferredStockSharesOutstanding_c064d3" order="37" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_CommonStockWarrantsStrikePricePerShare" xlink:label="loc_gthpCommonStockWarrantsStrikePricePerShare_c19117"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpCommonStockWarrantsStrikePricePerShare_c19117" order="38"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_PreferredStockSharesSurrendered" xlink:label="loc_gthpPreferredStockSharesSurrendered_e0a145"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpPreferredStockSharesSurrendered_e0a145" order="39"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ExerciseOfWarrants" xlink:label="loc_gthpExerciseOfWarrants_84fe3e"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpExerciseOfWarrants_84fe3e" order="40"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ExerciseOfWarrantsShares" xlink:label="loc_gthpExerciseOfWarrantsShares_18d169"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpExerciseOfWarrantsShares_18d169" order="41"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Dividends" xlink:label="loc_us-gaapDividends_1b71b3"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapDividends_1b71b3" order="42"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_WarrantIssued" xlink:label="loc_gthpWarrantIssued_4b2524"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpWarrantIssued_4b2524" order="43"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_CommonStockIssuedPublicStockShares" xlink:label="loc_gthpCommonStockIssuedPublicStockShares_e8f8da"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpCommonStockIssuedPublicStockShares_e8f8da" order="44"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_PreferredStockConvertedShare" xlink:label="loc_gthpPreferredStockConvertedShare_8ada3b"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpPreferredStockConvertedShare_8ada3b" order="45"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaapSharesOutstanding_23d523"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapSharesOutstanding_23d523" order="46" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_WarrantExercisePricePerShare" xlink:label="loc_gthpWarrantExercisePricePerShare_718026"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpWarrantExercisePricePerShare_718026" order="47"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_CommonStockWarrantsExercisePricess" xlink:label="loc_gthpCommonStockWarrantsExercisePricess_d8dea4"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpCommonStockWarrantsExercisePricess_d8dea4" order="48"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestAndDividendsPayableCurrent" xlink:label="loc_us-gaapInterestAndDividendsPayableCurrent_d295bb"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapInterestAndDividendsPayableCurrent_d295bb" order="49"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_IncreasedElectionHolder" xlink:label="loc_gthpIncreasedElectionHolder_7507a4"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpIncreasedElectionHolder_7507a4" order="50"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_NumberOfSharesConvertedIntoCommonStock" xlink:label="loc_gthpNumberOfSharesConvertedIntoCommonStock_7a485d"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpNumberOfSharesConvertedIntoCommonStock_7a485d" order="51"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_SharesIssuedCommonStock" xlink:label="loc_gthpSharesIssuedCommonStock_d93916"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpSharesIssuedCommonStock_d93916" order="52"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_SharesConvertedIntoCommonStock" xlink:label="loc_gthpSharesConvertedIntoCommonStock_fe78be"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpSharesConvertedIntoCommonStock_fe78be" order="53"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_CumulativeDividendRate" xlink:label="loc_gthpCumulativeDividendRate_5d2903"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpCumulativeDividendRate_5d2903" order="54"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_IssuanceOfCommonStockForPaymentPfAnnualSeries" xlink:label="loc_gthpIssuanceOfCommonStockForPaymentPfAnnualSeries_89f0ef"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpIssuanceOfCommonStockForPaymentPfAnnualSeries_89f0ef" order="55"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CumulativeDividends" xlink:label="loc_us-gaapCumulativeDividends_b0fb23"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapCumulativeDividends_b0fb23" order="56" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaapPreferredStockSharesAuthorized_86dbf1"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_us-gaapPreferredStockSharesAuthorized_86dbf1" order="57" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_PreferredStockStatedValuePerShare" xlink:label="loc_gthpPreferredStockStatedValuePerShare_9feef2"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpPreferredStockStatedValuePerShare_9feef2" order="58"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_CommonStockSharesIssuedForPreferredStockDividends" xlink:label="loc_gthpCommonStockSharesIssuedForPreferredStockDividends_87010d"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpCommonStockSharesIssuedForPreferredStockDividends_87010d" order="59"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_IssuanceOfCommonStockForConversionOfSeriesEConvertiblePreferredStock" xlink:label="loc_gthpIssuanceOfCommonStockForConversionOfSeriesEConvertiblePreferredStock_e067c6"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpIssuanceOfCommonStockForConversionOfSeriesEConvertiblePreferredStock_e067c6" order="60"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_NumberOfSharesConvertedToCommonStock" xlink:label="loc_gthpNumberOfSharesConvertedToCommonStock_82f144"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpNumberOfSharesConvertedToCommonStock_82f144" order="61"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_IncrementalCommonSharesAttributableToConversionOfDebtSecurity" xlink:label="loc_gthpIncrementalCommonSharesAttributableToConversionOfDebtSecurity_19a468"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_0adff1" xlink:to="loc_gthpIncrementalCommonSharesAttributableToConversionOfDebtSecurity_19a468" order="62"/> |
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| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable_4874df"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3e68df" xlink:to="loc_us-gaapStatementTable_4874df" order="100"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems_9df0cc"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_4874df" xlink:to="loc_us-gaapStatementLineItems_9df0cc" order="2000"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaapPlanNameAxis_6971b1"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_4874df" xlink:to="loc_us-gaapPlanNameAxis_6971b1" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaapPlanNameDomain_88e152"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapPlanNameAxis_6971b1" xlink:to="loc_us-gaapPlanNameDomain_88e152" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_BlackScholesOptionPricingModelMember" xlink:label="loc_gthpBlackScholesOptionPricingModelMember_a06753"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapPlanNameDomain_88e152" xlink:to="loc_gthpBlackScholesOptionPricingModelMember_a06753" order="11"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ExpectedTermYears" xlink:label="loc_gthpExpectedTermYears_d92359"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_9df0cc" xlink:to="loc_gthpExpectedTermYears_d92359" order="1"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_FairValueAssumptionExpectedVolatilityRate" xlink:label="loc_gthpFairValueAssumptionExpectedVolatilityRate_1b98f1"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_9df0cc" xlink:to="loc_gthpFairValueAssumptionExpectedVolatilityRate_1b98f1" order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_FairValueAssumptionRiskFreeInterestRate" xlink:label="loc_gthpFairValueAssumptionRiskFreeInterestRate_c83add"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_9df0cc" xlink:to="loc_gthpFairValueAssumptionRiskFreeInterestRate_c83add" order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_FairValueAssumptionExpectedDividendRate" xlink:label="loc_gthpFairValueAssumptionExpectedDividendRate_53040a"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_9df0cc" xlink:to="loc_gthpFairValueAssumptionExpectedDividendRate_53040a" order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://guidedinc.com/role/StockOptionsDetails1" xlink:title="000042 - Disclosure - STOCK OPTIONS (Details 1)"> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_OutstandingAtBeginningOfYear" xlink:label="loc_gthpOutstandingAtBeginningOfYear_e168de"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpOutstandingAtBeginningOfYear_e168de" order="1"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_OptionsGranted" xlink:label="loc_gthpOptionsGranted_17f880"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpOptionsGranted_17f880" order="2"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionForfeitureInPeriod" xlink:label="loc_gthpShareBasedCompensationArrangementByShareBasedPaymentAwardOptionForfeitureInPeriod_4dc0fa"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpShareBasedCompensationArrangementByShareBasedPaymentAwardOptionForfeitureInPeriod_4dc0fa" order="3"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_OutstandingEnd" xlink:label="loc_gthpOutstandingEnd_c0b225"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpOutstandingEnd_c0b225" order="4"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_NumberOfSharesExercisable" xlink:label="loc_gthpNumberOfSharesExercisable_6d5792"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpNumberOfSharesExercisable_6d5792" order="5"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:label="loc_us-gaapSharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_4c311f"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_us-gaapSharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_4c311f" order="6" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaapShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_3a429c"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_us-gaapShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_3a429c" order="7"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_3d3a51" order="8"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:label="loc_us-gaapSharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_89e31f"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_us-gaapSharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_89e31f" order="9" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_WeightedAverageExercisePricePerShareExercisable" xlink:label="loc_gthpWeightedAverageExercisePricePerShareExercisable_333d72"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpWeightedAverageExercisePricePerShareExercisable_333d72" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_WeightedAverageRemainingContractualLifeBeginning" xlink:label="loc_gthpWeightedAverageRemainingContractualLifeBeginning_cabe74"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpWeightedAverageRemainingContractualLifeBeginning_cabe74" order="11"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpWeightedAverageRemainingContractualLifeEnding_76f7b9" order="12"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpWeightedAverageRemainingContractualLifeExercisable_7851cd" order="13"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_AgrregateIntrensicValue" xlink:label="loc_gthpAgrregateIntrensicValue_c219fc"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpAgrregateIntrensicValue_c219fc" order="14" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpAgrregateIntrensicValue_b2697b" order="15" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_1fb0c9" xlink:to="loc_gthpAgrregateIntrensicValueExercisable_2f0933" order="16"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_92ef0f" xlink:to="loc_gthpFairValueAssumptionRiskFreeInterestRate_3ef073" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_92ef0f" xlink:to="loc_gthpFairValueAssumptionExpectedDividendRate_2d01a4" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_6a023a" xlink:to="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_5cad2c" order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_6a023a" xlink:to="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_403779" order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
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| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable_2a1cc1"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapCommitmentsAndContingenciesDisclosureAbstract_082ab7" xlink:to="loc_us-gaapStatementTable_2a1cc1" order="100"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_2a1cc1" xlink:to="loc_us-gaapStatementLineItems_090982" order="2000"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_2a1cc1" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis_781330" order="10"/> |
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| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaapPlanNameAxis_fc4c16"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_2a1cc1" xlink:to="loc_us-gaapPlanNameAxis_fc4c16" order="20"/> |
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| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ConsultingAgreementMember" xlink:label="loc_gthpConsultingAgreementMember_a75d77"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapPlanNameDomain_309367" xlink:to="loc_gthpConsultingAgreementMember_a75d77" order="72"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_AdvisoryGroupMember" xlink:label="loc_gthpAdvisoryGroupMember_21b9bc"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyDomain_750fdf" xlink:to="loc_gthpAdvisoryGroupMember_21b9bc" order="73"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_IronstoneCapitalCorpAndAlanGurjicMember" xlink:label="loc_gthpIronstoneCapitalCorpAndAlanGurjicMember_13ae8b"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyDomain_750fdf" xlink:to="loc_gthpIronstoneCapitalCorpAndAlanGurjicMember_13ae8b" order="74"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_MrBlumbergMember" xlink:label="loc_gthpMrBlumbergMember_7e4356"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyDomain_750fdf" xlink:to="loc_gthpMrBlumbergMember_7e4356" order="75"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ShandongYaohuaMedicalInstrumentCorporationMember" xlink:label="loc_gthpShandongYaohuaMedicalInstrumentCorporationMember_4d39d0"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyDomain_750fdf" xlink:to="loc_gthpShandongYaohuaMedicalInstrumentCorporationMember_4d39d0" order="76"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_PromotionalAgreementMember" xlink:label="loc_gthpPromotionalAgreementMember_289ce8"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapPlanNameDomain_309367" xlink:to="loc_gthpPromotionalAgreementMember_289ce8" order="77"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_RoyaltyAgreementMember" xlink:label="loc_gthpRoyaltyAgreementMember_bd83c6"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapPlanNameDomain_309367" xlink:to="loc_gthpRoyaltyAgreementMember_bd83c6" order="78"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srtTitleOfIndividualWithRelationshipToEntityDomain_f762c4" xlink:to="loc_gthpShenghuoMedicalLLCMember_7f53d6" order="79"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srtRestatementDomain_c69496" xlink:to="loc_gthpIronstoneCapitalCorpMember_e182ac" order="80"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ThirdPartyMember" xlink:label="loc_gthpThirdPartyMember_5f29d1"/> |
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| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_BlackScholesOptionMember" xlink:label="loc_gthpBlackScholesOptionMember_b683e8"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapPlanNameDomain_309367" xlink:to="loc_gthpBlackScholesOptionMember_b683e8" order="82"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ShareBasedCompensationAwardTrancheSecondAndThirdMember" xlink:label="loc_gthpShareBasedCompensationAwardTrancheSecondAndThirdMember_7e56c2"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapVestingDomain_c5dd2f" xlink:to="loc_gthpShareBasedCompensationAwardTrancheSecondAndThirdMember_7e56c2" order="83"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ConsiderationReceived" xlink:label="loc_gthpConsiderationReceived_00df06"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpConsiderationReceived_00df06" order="1"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_RoyaltyPercent" xlink:label="loc_gthpRoyaltyPercent_c109e1"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpRoyaltyPercent_c109e1" order="2"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_us-gaapClassOfWarrantOrRightOutstanding_284134" order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpIssuedAdditionalWarrants_953c37" order="4"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpIssuedWarrants_78ad4e" order="5"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ExcercisePrice" xlink:label="loc_gthpExcercisePrice_375a76"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpExcercisePrice_375a76" order="6"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WarrantExercisePriceIncrease" xlink:label="loc_us-gaapWarrantExercisePriceIncrease_00496b"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_us-gaapWarrantExercisePriceIncrease_00496b" order="7"/> |
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| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_WarrantsBrokenIntoFourTranches" xlink:label="loc_gthpWarrantsBrokenIntoFourTranches_722646"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpWarrantsBrokenIntoFourTranches_722646" order="9"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_RecognizedExpensesForTheWarrants" xlink:label="loc_gthpRecognizedExpensesForTheWarrants_09ecd2"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpRecognizedExpensesForTheWarrants_09ecd2" order="10"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpExpensesForTheWarrants_d52e6a" order="11"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharePrice" xlink:label="loc_us-gaapSharePrice_dfce69"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_us-gaapSharePrice_dfce69" order="12"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_EscrowAgentRatePerShare" xlink:label="loc_gthpEscrowAgentRatePerShare_10908b"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpEscrowAgentRatePerShare_10908b" order="13"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_TermsOfAmendmentToAgreement" xlink:label="loc_gthpTermsOfAmendmentToAgreement_d671ac"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpTermsOfAmendmentToAgreement_d671ac" order="14"/> |
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| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_UnecognizedExpensesForWarrantsIssued" xlink:label="loc_gthpUnecognizedExpensesForWarrantsIssued_268a93"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpUnecognizedExpensesForWarrantsIssued_268a93" order="16"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_090982" xlink:to="loc_gthpRecognizedExpenses_79dc58" order="17"/> |
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| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_WarrantOneMember" xlink:label="loc_gthpWarrantOneMember_772194"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDebtInstrumentNameDomain_321945" xlink:to="loc_gthpWarrantOneMember_772194" order="83"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_WarrantTwoMember" xlink:label="loc_gthpWarrantTwoMember_2bf176"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapDebtInstrumentNameDomain_321945" xlink:to="loc_gthpWarrantTwoMember_2bf176" order="84"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_AuctusMember" xlink:label="loc_gthpAuctusMember_30bdf4"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyTransactionDomain_4bd7b4" xlink:to="loc_gthpAuctusMember_30bdf4" order="85"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_TenPercentSeniorUnsecuredConvertibleDebentureMember" xlink:label="loc_gthpTenPercentSeniorUnsecuredConvertibleDebentureMember_c5210b"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapLongtermDebtTypeDomain_fd1fc2" xlink:to="loc_gthpTenPercentSeniorUnsecuredConvertibleDebentureMember_c5210b" order="86"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConvertibleDebt" xlink:label="loc_us-gaapConvertibleDebt_fb6660"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapConvertibleDebt_fb6660" order="1"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ConvertibleDebtConversionPriceDescription" xlink:label="loc_gthpConvertibleDebtConversionPriceDescription_985411"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpConvertibleDebtConversionPriceDescription_985411" order="2"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="loc_us-gaapSharesIssuedPricePerShare_c9c71f"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapSharesIssuedPricePerShare_c9c71f" order="3"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_VariableConversionPrice" xlink:label="loc_gthpVariableConversionPrice_ff4dad"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpVariableConversionPrice_ff4dad" order="4"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_EarlyRepaymentOfSeniorDebtPenalty" xlink:label="loc_gthpEarlyRepaymentOfSeniorDebtPenalty_c37944"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpEarlyRepaymentOfSeniorDebtPenalty_c37944" order="5"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_DefaultPremiums" xlink:label="loc_gthpDefaultPremiums_618f91"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpDefaultPremiums_618f91" order="6"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_InterestPayable" xlink:label="loc_gthpInterestPayable_85d3d6"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpInterestPayable_85d3d6" order="7"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_AmountReduceAfterExchange" xlink:label="loc_gthpAmountReduceAfterExchange_ccec94"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpAmountReduceAfterExchange_ccec94" order="8"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_WarrantExchange" xlink:label="loc_gthpWarrantExchange_ed9206"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpWarrantExchange_ed9206" order="9"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WarrantExercisePriceIncrease" xlink:label="loc_us-gaapWarrantExercisePriceIncrease_408cf8"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapWarrantExercisePriceIncrease_408cf8" order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConvertibleNotesPayableCurrent" xlink:label="loc_us-gaapConvertibleNotesPayableCurrent_a88504"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapConvertibleNotesPayableCurrent_a88504" order="11"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConvertibleLongTermNotesPayable" xlink:label="loc_us-gaapConvertibleLongTermNotesPayable_94d677"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapConvertibleLongTermNotesPayable_94d677" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesOther" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesOther_3c5636"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesOther_3c5636" order="13"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased" xlink:label="loc_us-gaapStockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_30dfda"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapStockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_30dfda" order="14"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_DebtInstrumentDefaultPenaltyForgiven" xlink:label="loc_gthpDebtInstrumentDefaultPenaltyForgiven_9354f5"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpDebtInstrumentDefaultPenaltyForgiven_9354f5" order="15"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_LossOnExtinguishmentOfDebt" xlink:label="loc_gthpLossOnExtinguishmentOfDebt_c0565c"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpLossOnExtinguishmentOfDebt_c0565c" order="16"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaapDebtInstrumentInterestRateStatedPercentage_2b7962"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapDebtInstrumentInterestRateStatedPercentage_2b7962" order="17"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidRent" xlink:label="loc_us-gaapPrepaidRent_79fd16"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapPrepaidRent_79fd16" order="18"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_AggregateBalanceOfTheConvertibleDebtOutstanding" xlink:label="loc_gthpAggregateBalanceOfTheConvertibleDebtOutstanding_970c9b"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpAggregateBalanceOfTheConvertibleDebtOutstanding_970c9b" order="19"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DepositLiabilitiesAccruedInterest" xlink:label="loc_us-gaapDepositLiabilitiesAccruedInterest_c2bb2f"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapDepositLiabilitiesAccruedInterest_c2bb2f" order="20"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ConvertibleDebenturesRightDescription" xlink:label="loc_gthpConvertibleDebenturesRightDescription_babee0"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpConvertibleDebenturesRightDescription_babee0" order="21"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_ChangeOfControlPremiumPercentage" xlink:label="loc_gthpChangeOfControlPremiumPercentage_a8ddf2"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpChangeOfControlPremiumPercentage_a8ddf2" order="22"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentInterestRate" xlink:label="loc_us-gaapInvestmentInterestRate_b18b67"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapInvestmentInterestRate_b18b67" order="23"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_DeemedPrice" xlink:label="loc_gthpDeemedPrice_36ccf8"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpDeemedPrice_36ccf8" order="24"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_DebtMaturityDate" xlink:label="loc_gthpDebtMaturityDate_02d593"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_gthpDebtMaturityDate_02d593" order="25"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt" xlink:label="loc_us-gaapProceedsFromIssuanceOfUnsecuredDebt_28fa5d"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapProceedsFromIssuanceOfUnsecuredDebt_28fa5d" order="26"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="loc_us-gaapDebtInstrumentConvertibleConversionPrice1_0167c8"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_7cf361" xlink:to="loc_us-gaapDebtInstrumentConvertibleConversionPrice1_0167c8" order="27"/> |
| | </link:presentationLink> |
| <link:presentationLink xlink:type="extended" xlink:role="http://guidedinc.com/role/LongTermDebtDetails" xlink:title="000054 - Disclosure - LONG TERM DEBT (Details)"> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAbstract" xlink:label="loc_us-gaapLongTermDebtAbstract_aa945c"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable_bdf868"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapLongTermDebtAbstract_aa945c" xlink:to="loc_us-gaapStatementTable_bdf868" order="100"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems_3069c7"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_bdf868" xlink:to="loc_us-gaapStatementLineItems_3069c7" order="2000"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis_6198c5"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_bdf868" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis_6198c5" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain_1413c3"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis_6198c5" xlink:to="loc_us-gaapRelatedPartyDomain_1413c3" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_DrCartwrightMember" xlink:label="loc_gthpDrCartwrightMember_65258f"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyDomain_1413c3" xlink:to="loc_gthpDrCartwrightMember_65258f" order="11"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_DrFaupelMember" xlink:label="loc_gthpDrFaupelMember_866363"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyDomain_1413c3" xlink:to="loc_gthpDrFaupelMember_866363" order="12"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedSalariesCurrentAndNoncurrent" xlink:label="loc_us-gaapAccruedSalariesCurrentAndNoncurrent_8ed5d0"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_us-gaapAccruedSalariesCurrentAndNoncurrent_8ed5d0" order="1"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedBonusesCurrentAndNoncurrent" xlink:label="loc_us-gaapAccruedBonusesCurrentAndNoncurrent_d7689c"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_us-gaapAccruedBonusesCurrentAndNoncurrent_d7689c" order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedVacationCurrentAndNoncurrent" xlink:label="loc_us-gaapAccruedVacationCurrentAndNoncurrent_5472b4"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_us-gaapAccruedVacationCurrentAndNoncurrent_5472b4" order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_InterestOnCompensation" xlink:label="loc_gthpInterestOnCompensation_b49f14"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_gthpInterestOnCompensation_b49f14" order="4"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_LoansToCompany" xlink:label="loc_gthpLoansToCompany_8b60b8"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_gthpLoansToCompany_8b60b8" order="5"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_InterestOnLoans" xlink:label="loc_gthpInterestOnLoans_d791f5"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_gthpInterestOnLoans_d791f5" order="6"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_TotalOutstandingPriorToExchange" xlink:label="loc_gthpTotalOutstandingPriorToExchange_4c9b62"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_gthpTotalOutstandingPriorToExchange_4c9b62" order="7"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentDecreaseForgiveness" xlink:label="loc_us-gaapDebtInstrumentDecreaseForgiveness_4decd3"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_us-gaapDebtInstrumentDecreaseForgiveness_4decd3" order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_AmountExchangedForSeriesPreferredStock" xlink:label="loc_gthpAmountExchangedForSeriesPreferredStock_aff491"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_gthpAmountExchangedForSeriesPreferredStock_aff491" order="9"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_AmountExchangedForSeriesF2PreferredStock" xlink:label="loc_gthpAmountExchangedForSeriesF2PreferredStock_cb11c0"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_gthpAmountExchangedForSeriesF2PreferredStock_cb11c0" order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestPayableCurrentAndNoncurrent" xlink:label="loc_us-gaapInterestPayableCurrentAndNoncurrent_58b070"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_us-gaapInterestPayableCurrentAndNoncurrent_58b070" order="11"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_PaymentsOnOutstandingDebt" xlink:label="loc_gthpPaymentsOnOutstandingDebt_995ed0"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_gthpPaymentsOnOutstandingDebt_995ed0" order="12"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaapShortTermBorrowings_8064ee"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_3069c7" xlink:to="loc_us-gaapShortTermBorrowings_8064ee" order="13"/> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://guidedinc.com/role/LongTermDebtDetails1" xlink:title="000055 - Disclosure - LONG TERM DEBT (Details 1)"> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAbstract" xlink:label="loc_us-gaapLongTermDebtAbstract_2a9b83"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable_f127fa"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapLongTermDebtAbstract_2a9b83" xlink:to="loc_us-gaapStatementTable_f127fa" order="100"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems_da15fc"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_f127fa" xlink:to="loc_us-gaapStatementLineItems_da15fc" order="2000"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaapLongtermDebtTypeAxis_4d3e38"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_f127fa" xlink:to="loc_us-gaapLongtermDebtTypeAxis_4d3e38" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaapLongtermDebtTypeDomain_0cb354"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapLongtermDebtTypeAxis_4d3e38" xlink:to="loc_us-gaapLongtermDebtTypeDomain_0cb354" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis_84872a"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_f127fa" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis_84872a" order="20"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain_11347f"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis_84872a" xlink:to="loc_us-gaapRelatedPartyDomain_11347f" order="20"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_LongTermDebtRelatedPartiesMember" xlink:label="loc_gthpLongTermDebtRelatedPartiesMember_00c848"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapLongtermDebtTypeDomain_0cb354" xlink:to="loc_gthpLongTermDebtRelatedPartiesMember_00c848" order="21"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_MrFowlerMember" xlink:label="loc_gthpMrFowlerMember_94643a"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyDomain_11347f" xlink:to="loc_gthpMrFowlerMember_94643a" order="22"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:label="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_b4bb1d"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_da15fc" xlink:to="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_b4bb1d" order="1"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_b4b6c0"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_da15fc" xlink:to="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_b4b6c0" order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_aa05f8"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_da15fc" xlink:to="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_aa05f8" order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_adfbc7"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_da15fc" xlink:to="loc_us-gaapLongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_adfbc7" order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaapLongTermDebt_b56325"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_da15fc" xlink:to="loc_us-gaapLongTermDebt_b56325" order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://guidedinc.com/role/LongTermDebtDetailsNarrative" xlink:title="000056 - Disclosure - LONG TERM DEBT (Details Narrative)"> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAbstract" xlink:label="loc_us-gaapLongTermDebtAbstract_c7e7a2"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable_95283c"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapLongTermDebtAbstract_c7e7a2" xlink:to="loc_us-gaapStatementTable_95283c" order="100"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems_1db5d0"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_95283c" xlink:to="loc_us-gaapStatementLineItems_1db5d0" order="2000"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis_29b828"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_95283c" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis_29b828" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain_7cb847"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis_29b828" xlink:to="loc_us-gaapRelatedPartyDomain_7cb847" order="10"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaapLongtermDebtTypeAxis_b3d8ea"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable_95283c" xlink:to="loc_us-gaapLongtermDebtTypeAxis_b3d8ea" order="20"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaapLongtermDebtTypeDomain_353219"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapLongtermDebtTypeAxis_b3d8ea" xlink:to="loc_us-gaapLongtermDebtTypeDomain_353219" order="20"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_DrCartwrightMember" xlink:label="loc_gthpDrCartwrightMember_0d5c13"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyDomain_7cb847" xlink:to="loc_gthpDrCartwrightMember_0d5c13" order="21"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_DrFaupelMember" xlink:label="loc_gthpDrFaupelMember_5cd357"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyDomain_7cb847" xlink:to="loc_gthpDrFaupelMember_5cd357" order="22"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_MrFowlerMember" xlink:label="loc_gthpMrFowlerMember_0dcdec"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyDomain_7cb847" xlink:to="loc_gthpMrFowlerMember_0dcdec" order="23" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_MrBillWellsMember" xlink:label="loc_gthpMrBillWellsMember_cb0909"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapRelatedPartyDomain_7cb847" xlink:to="loc_gthpMrBillWellsMember_cb0909" order="24"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_SixPercentUnsecuredPromissoryNoteMember" xlink:label="loc_gthpSixPercentUnsecuredPromissoryNoteMember_6a9d31"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapLongtermDebtTypeDomain_353219" xlink:to="loc_gthpSixPercentUnsecuredPromissoryNoteMember_6a9d31" order="25"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_TotalOutstandingPriorToExchangeValue" xlink:label="loc_gthpTotalOutstandingPriorToExchangeValue_bf09fb"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_1db5d0" xlink:to="loc_gthpTotalOutstandingPriorToExchangeValue_bf09fb" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_1db5d0" xlink:to="loc_gthpTotalOutstandingPriorToExchange_70ad16" order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_PrincipalPayment" xlink:label="loc_gthpPrincipalPayment_2fd530"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_1db5d0" xlink:to="loc_gthpPrincipalPayment_2fd530" order="3"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredCompensationEquity" xlink:label="loc_us-gaapDeferredCompensationEquity_fbe570"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_1db5d0" xlink:to="loc_us-gaapDeferredCompensationEquity_fbe570" order="4"/> |
| | <link:loc xlink:type="locator" xlink:href="gthp-20230930.xsd#gthp_LongTermDebtRelatedParties" xlink:label="loc_gthpLongTermDebtRelatedParties_fac1b1"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_1db5d0" xlink:to="loc_gthpLongTermDebtRelatedParties_fac1b1" order="5"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems_1db5d0" xlink:to="loc_us-gaapDebtInstrumentPeriodicPayment_3489c7" order="14"/> |
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