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  <xsd:element id="ams_OperatingLeaseMonthlyExpense" name="OperatingLeaseMonthlyExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="ams_OtherCostOfOperatingRevenueRelatedParty" name="OtherCostOfOperatingRevenueRelatedParty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_PBRTEquipmentMember" name="PBRTEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_PatientIncomeMember" name="PatientIncomeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_PbrtServicesMember" name="PbrtServicesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ams_PercentageOfSiteModifications" name="PercentageOfSiteModifications" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="ams_PolicyTable" name="PolicyTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="ams_PrepaidMaintenanceCurrent" name="PrepaidMaintenanceCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="ams_PropertyPlantAndEquipmentDepreciationTableTextBlock" name="PropertyPlantAndEquipmentDepreciationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="ams_PropertyPlantAndEquipmentGrossExcludingLand" name="PropertyPlantAndEquipmentGrossExcludingLand" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="ams_PropertyPlantAndEquipmentNetExcludingLand" name="PropertyPlantAndEquipmentNetExcludingLand" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="ams_PurchaseAgreementAnnualPrepayment" name="PurchaseAgreementAnnualPrepayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="ams_RadiationTherapyFacilityInPueblaMexicoMember" name="RadiationTherapyFacilityInPueblaMexicoMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_RentalIncomeFromMedicalServicesMember" name="RentalIncomeFromMedicalServicesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_RiCompaniesMember" name="RiCompaniesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_SingleunitRadiationTherapyFacilitiesMember" name="SingleunitRadiationTherapyFacilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_SmallOfficeSubleaseInDownersGroveMember" name="SmallOfficeSubleaseInDownersGroveMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_SmallOfficeSubleaseInSanFranciscoMember" name="SmallOfficeSubleaseInSanFranciscoMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_SouthernNewEnglandRegionalCancerCenterLLCAndRogerWilliamsRadiationTherapyLLCMember" name="SouthernNewEnglandRegionalCancerCenterLLCAndRogerWilliamsRadiationTherapyLLCMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_StandaloneFacilityInLimaPeruMember" name="StandaloneFacilityInLimaPeruMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ams_TangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock" name="TangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_TheCreditAgreement2024SupplementalTermLoanMember" name="TheCreditAgreement2024SupplementalTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_TheCreditAgreementFirstLoanAndSecondLoanFacilityMember" name="TheCreditAgreementFirstLoanAndSecondLoanFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_TheCreditAgreementMember" name="TheCreditAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_TheCreditAgreementSecondLoanFacilityMember" name="TheCreditAgreementSecondLoanFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_TheCreditAgreementThirdLoanFacilityMember" name="TheCreditAgreementThirdLoanFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_USSubsidiaryOfElektaMember" name="USSubsidiaryOfElektaMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ams_UnfavorableLeasePosition" name="UnfavorableLeasePosition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="ams_UnfavorableLeaseholdInterest" name="UnfavorableLeaseholdInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="ams_UnrecognizedTaxBenefitsDecreaseResultingFromForeignTaxes" name="UnrecognizedTaxBenefitsDecreaseResultingFromForeignTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_WoonsocketGroundLeaseMember" name="WoonsocketGroundLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="ams_WriteDownOfImpairedAssetsAndAssociatedRemovalCosts" name="WriteDownOfImpairedAssetsAndAssociatedRemovalCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-1-basis-of-presentation-allocations-to-reportable-segments-details" name="statement-statement-note-1-basis-of-presentation-allocations-to-reportable-segments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-1-basis-of-presentation-assets-allocations-to-reportable-segments-details" name="statement-statement-note-1-basis-of-presentation-assets-allocations-to-reportable-segments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-1-basis-of-presentation-profit-loss-allocations-to-reportable-segments-details" name="statement-statement-note-1-basis-of-presentation-profit-loss-allocations-to-reportable-segments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-1-basis-of-presentation-revenues-allocations-to-reportable-segments-details" name="statement-statement-note-1-basis-of-presentation-revenues-allocations-to-reportable-segments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-1-basis-of-presentation-tables" name="statement-statement-note-1-basis-of-presentation-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-10-rhode-island-acquisition-major-classes-of-assets-and-liabilities-details" name="statement-statement-note-10-rhode-island-acquisition-major-classes-of-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-10-rhode-island-acquisition-tables" name="statement-statement-note-10-rhode-island-acquisition-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-10-rhode-island-acquisition-tangible-assets-acquired-details" name="statement-statement-note-10-rhode-island-acquisition-tangible-assets-acquired-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-2-property-and-equipment-depreciation-details" name="statement-statement-note-2-property-and-equipment-depreciation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-2-property-and-equipment-summary-of-property-and-equipment-details" name="statement-statement-note-2-property-and-equipment-summary-of-property-and-equipment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-2-property-and-equipment-tables" name="statement-statement-note-2-property-and-equipment-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-3-longterm-debt-financing-longterm-debt-maturities-details" name="statement-statement-note-3-longterm-debt-financing-longterm-debt-maturities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-3-longterm-debt-financing-tables" name="statement-statement-note-3-longterm-debt-financing-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-4-other-accrued-liabilities-other-accrued-liabilities-details" name="statement-statement-note-4-other-accrued-liabilities-other-accrued-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-4-other-accrued-liabilities-tables" name="statement-statement-note-4-other-accrued-liabilities-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-5-leases-lease-cost-and-information-details" name="statement-statement-note-5-leases-lease-cost-and-information-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-5-leases-summary-of-maturities-of-lessee-operating-lease-liabilities-details" name="statement-statement-note-5-leases-summary-of-maturities-of-lessee-operating-lease-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-5-leases-tables" name="statement-statement-note-5-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-6-per-share-amounts-computation-of-basic-and-diluted-earnings-per-share-details" name="statement-statement-note-6-per-share-amounts-computation-of-basic-and-diluted-earnings-per-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-6-per-share-amounts-tables" name="statement-statement-note-6-per-share-amounts-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-9-related-party-transactions-and-balances-tables" name="statement-statement-note-9-related-party-transactions-and-balances-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-note-9-related-party-transactions-schedule-of-related-party-transactions-details" name="statement-statement-note-9-related-party-transactions-schedule-of-related-party-transactions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="ams_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
