﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2024v5.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-09-17T10:32:25-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>521392008</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>GELMAN ROSENBERG &amp; FREEDMAN</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>4550 MONTGOMERY AVE SUITE 800N</AddressLine1Txt>
        <CityNm>BETHESDA</CityNm>
        <StateAbbreviationCd>MD</StateAbbreviationCd>
        <ZIPCd>208142930</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>721219540</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>LOUISIANA ONCOLOGY SOCIETY</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>LOUI</BusinessNameControlTxt>
      <PhoneNum>3019849496</PhoneNum>
      <USAddress>
        <AddressLine1Txt>CO ACCC 1801 RESEARCH BLVD 400</AddressLine1Txt>
        <CityNm>ROCKVILLE</CityNm>
        <StateAbbreviationCd>MD</StateAbbreviationCd>
        <ZIPCd>20850</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>ADAM SALUP</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>3019849496</PhoneNum>
      <SignatureDt>2025-09-17</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>0</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>FREDERICK U LONGWOOD</PreparerPersonNm>
      <PTIN>P00439715</PTIN>
      <PhoneNum>3019519090</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>DANIEL H JOHNSON</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>C/O ACCC 1801 RESEARCH BLVD 400</AddressLine1Txt>
        <CityNm>ROCKVILLE</CityNm>
        <StateAbbreviationCd>MD</StateAbbreviationCd>
        <ZIPCd>20850</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>300467</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.LAONCOLOGYSOCIETY.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1992</FormationYr>
      <LegalDomicileStateCd>LA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>SEE PART III LINE 1.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>8</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>8</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalVolunteersCnt>10</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>246000</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>251000</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>53150</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>46500</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>0</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>0</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>2967</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>299150</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>300467</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>4110</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>0</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>0</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>247136</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>332187</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>251246</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>332187</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>47904</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-31720</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>457591</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>462283</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>61695</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>98107</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>395896</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>364176</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>TO PROVIDE CONTINUING FORUMS FOR EXCHANGE OF INFORMATION AND EDUCATION TO MEMBERS THROUGH ASSOCIATION, SPEAKERS AND MEETINGS ON ONCOLOGY.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>184116</ExpenseAmt>
      <RevenueAmt>46500</RevenueAmt>
      <Desc>- PROMOTE QUALITY TREATMENT AND CARE FOR ALL CANCER PATIENTS IN LOUISIANA.- PROVIDE EFFECTIVE REPRESENTATION FOR CLINICAL ONCOLOGISTS PRACTICING IN THE STATE OF LOUISIANA.- DISSEMINATE INFORMATION CONCERNING THE DIAGNOSIS, CARE, AND TREATMENT OF CANCER TO PRACTICING PHYSICIANS AND TO THE GENERAL PUBLIC. - ENCOURAGE THE IMPROVEMENT OF COMMUNITY FACILITIES RELATING TO THE CARE AND TREATMENT OF CANCER PATIENTS.- PROMOTE NEW CANCER TECHNOLOGIES AND TO EDUCATE PHYSICIANS, HEALTH CARE PROVIDERS AND THE GENERAL PUBLIC REGARDING SUCH NEW TECHNOLOGIES.- PROMOTE COLLEGIAL RELATIONSHIPS AMONG ONCOLOGISTS PRACTICING IN LOUISIANA.</Desc>
      <TotalProgramServiceExpensesAmt>184116</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc1039700001">0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd referenceDocumentId="RetDoc1039700001">1</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc1039700001">0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd>0</DonorAdvisedFundInd>
      <ConservationEasementsInd>0</ConservationEasementsInd>
      <CollectionsOfArtInd>0</CollectionsOfArtInd>
      <CreditCounselingInd>0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd>0</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd>0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd>0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd>0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd>0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd>0</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd>0</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd>0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>0</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd>0</DisregardedEntityInd>
      <RelatedEntityInd>0</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>40</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>8</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>8</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>1</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>1</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>ASHISH UDHRAIN</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>3019849496</PhoneNum>
        <USAddress>
          <AddressLine1Txt>C/O ACCC 1801 RESEARCH BLVD 400</AddressLine1Txt>
          <CityNm>ROCKVILLE</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>20850</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <NoListedPersonsCompensatedInd>X</NoListedPersonsCompensatedInd>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL H JOHNSON</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CAITLIN LOPES</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ADAM SALUP</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NAKHLE SABA</PersonNm>
        <TitleTxt>IMMEDIATE PAST PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHANCELLOR DONALD</PersonNm>
        <TitleTxt>MEMBER-AT LARGE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES ELLIS</PersonNm>
        <TitleTxt>MEMBER-AT LARGE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>THOMAS RESKE</PersonNm>
        <TitleTxt>MEMBER-AT LARGE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ASHISH UDHRAIN</PersonNm>
        <TitleTxt>MEMBER-AT LARGE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>251000</AllOtherContributionsAmt>
      <TotalContributionsAmt>251000</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>MEETING INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>34500</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>34500</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SPONSORSHIP INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>12000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>12000</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>46500</TotalProgramServiceRevenueAmt>
      <OtherRevenueMiscGrp>
        <Desc>MISCELLANEOUS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>2967</TotalRevenueColumnAmt>
        <ExclusionAmt>2967</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>2967</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>300467</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>46500</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2967</ExclusionAmt>
      </TotalRevenueGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>70331</TotalAmt>
        <ManagementAndGeneralAmt>70331</ManagementAndGeneralAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>2600</TotalAmt>
        <ManagementAndGeneralAmt>2600</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>60000</TotalAmt>
        <ManagementAndGeneralAmt>60000</ManagementAndGeneralAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>11105</TotalAmt>
        <ManagementAndGeneralAmt>11105</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>1521</TotalAmt>
        <ManagementAndGeneralAmt>1521</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>183277</TotalAmt>
        <ProgramServicesAmt>182384</ProgramServicesAmt>
        <ManagementAndGeneralAmt>893</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <InsuranceGrp>
        <TotalAmt>1344</TotalAmt>
        <ManagementAndGeneralAmt>1344</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>CHAPTER DUES</Desc>
        <TotalAmt>1732</TotalAmt>
        <ProgramServicesAmt>1732</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MISCELLANEOUS</Desc>
        <TotalAmt>277</TotalAmt>
        <ManagementAndGeneralAmt>277</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>332187</TotalAmt>
        <ProgramServicesAmt>184116</ProgramServicesAmt>
        <ManagementAndGeneralAmt>148071</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>439453</BOYAmt>
        <EOYAmt>462283</EOYAmt>
      </CashNonInterestBearingGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>18138</BOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <TotalAssetsGrp>
        <BOYAmt>457591</BOYAmt>
        <EOYAmt>462283</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>6195</BOYAmt>
        <EOYAmt>21607</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>55500</BOYAmt>
        <EOYAmt>76500</EOYAmt>
      </DeferredRevenueGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>61695</BOYAmt>
        <EOYAmt>98107</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>395896</BOYAmt>
        <EOYAmt>364176</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>395896</BOYAmt>
        <EOYAmt>364176</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>457591</BOYAmt>
        <EOYAmt>462283</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-31720</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>0</FSAuditedInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>106300</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>188214</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>212000</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>246000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>251000</CurrentTaxYearAmt>
        <TotalAmt>1003514</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>106300</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>188214</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>212000</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>246000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>251000</CurrentTaxYearAmt>
        <TotalAmt>1003514</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>448400</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>555114</PublicSupportTotal170Amt>
      <OtherIncome170Grp>
        <CurrentTaxYearAmt>2967</CurrentTaxYearAmt>
        <TotalAmt>2967</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>1006481</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>168593</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.55150</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.48870</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <VolunteersInd>0</VolunteersInd>
      <PaidStaffOrManagementInd>0</PaidStaffOrManagementInd>
      <MediaAdvertisementsInd>0</MediaAdvertisementsInd>
      <MailingsMembersInd>0</MailingsMembersInd>
      <PublicationsOrBroadcastInd>0</PublicationsOrBroadcastInd>
      <GrantsOtherOrganizationsInd>0</GrantsOtherOrganizationsInd>
      <DirectContactLegislatorsInd>1</DirectContactLegislatorsInd>
      <DirectContactLegislatorsAmt>60000</DirectContactLegislatorsAmt>
      <RalliesDemonstrationsInd>0</RalliesDemonstrationsInd>
      <OtherActivitiesInd>0</OtherActivitiesInd>
      <TotalLobbyingExpendituresAmt>60000</TotalLobbyingExpendituresAmt>
      <NotDescribedSection501c3Ind>0</NotDescribedSection501c3Ind>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE C, PART II-B</FormAndLineReferenceDesc>
        <ExplanationTxt>IN 2024 LOS HELD A JOINT INSURANCE COMMITTEE DINNER, INVITED MEMBERS OF LOS TO DISCUSS LOS INITIATIVES WITH MEMBERS OF THE JOINT HOUSE AND SENATE INSURANCE COMMITTEES BEFORE LOS BILLS ARE HEARD IN THOSE COMMITTEES THE NEXT DAY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DELEGATED CONTROL OVER THE MANAGEMENT DUTIES TO THE ASSOCIATION OF COMMUNITY CANCER CENTERS (ACCC) PRIOR TO SIGNING THE AGREEMENT, AN INDEPENDENT COMPARISON OF THE MANAGEMENT FEE WAS CONDUCTED AND APPROVAL OF THE MANAGEMENT FIRM'S FEE WAS OBTAINED FROM ALL BOARD MEMBERS. THE DECISION TO SIGN THE AGREEMENT WAS DOCUMENTED IN THE ORGANIZATION'S BOARD MEETING MINUTES. THE TOTAL AMOUNT PAID TO ACCC DURING 2024 WAS $70,331.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS GROUP AND INDIVIDUAL MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS MEMBERS WHO MAY ELECT ONE OR MORE MEMBERS OF THE GOVERNING BODY. THE ELECTION OF OFFICERS OCCURS EVERY OTHER YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGES TO BY-LAWS MUST BE APPROVED BY MEMBERSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 WAS PREPARED BY THE OUTSIDE ACCOUNTANTS AND REVIEWED BY THE PRESIDENT AND BOARD MEMBERS. A COPY OF THE 990 WAS PROVIDED TO THE ENTIRE BOARD PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ELECTED BOARD MEMBERS SIGN THE CONFLICT OF INTEREST FORM ANNUALLY. IF THE BOARD HAS REASONABLE CAUSE TO BELIEVE A MEMBER HAS FAILED TO DISCLOSE AN ACTUAL OR POSSIBLE CONFLICT OF INTEREST, THE BOARD GIVES THE MEMBER THE OPPORTUNITY TO EXPLAIN THE ALLEGED FAILURE TO DISCLOSE. IF AFTER FUTURE INVESTIGATION, THE BOARD DETERMINES THAT A FAILURE TO DISCLOSE HAS OCCURRED, IT TAKES APPROPRIATE DISCIPLINARY AND CORRECTIVE ACTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE LOUISIANA ONCOLOGY SOCIETY MAINTAINS ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AT ITS MANAGEMENT OFFICE IN ROCKVILLE, MARYLAND. THESE DOCUMENTS ARE MADE AVAILABLE TO THE GENERAL PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>