2019
Income disparities in needle biopsy patients prior to breast cancer surgery across physician peer groups
Killelea BK, Herrin J, Soulos PR, Pollack CE, Forman HP, Yu J, Xu X, Tannenbaum S, Wang SY, Gross CP. Income disparities in needle biopsy patients prior to breast cancer surgery across physician peer groups. Breast Cancer 2019, 27: 381-388. PMID: 31792804, PMCID: PMC7512133, DOI: 10.1007/s12282-019-01028-4.Peer-Reviewed Original ResearchConceptsPhysician peer groupsLow-income patientsNeedle biopsyOdds ratioHigh-income patientsBreast cancer surgeryMethodsThe SurveillanceCancer surgeryIncome patientsMedicare databaseBiopsy patientsMedicare beneficiariesPatientsBiopsyLow incomeGroupDisparitiesReceiptEnd resultHigher incomeSurgeryPeer groupEpidemiologyFurther workGroup-level effectsLong term outcomes of sentinel lymph node biopsy for ductal carcinoma in situ
Hung P, Wang SY, Killelea BK, Mougalian SS, Evans SB, Sedghi T, Gross CP. Long term outcomes of sentinel lymph node biopsy for ductal carcinoma in situ. JNCI Cancer Spectrum 2019, 3: pkz052. PMID: 32337481, PMCID: PMC7049982, DOI: 10.1093/jncics/pkz052.Peer-Reviewed Original ResearchSentinel lymph node biopsyBreast-conserving surgeryBreast cancer mortalityLong-term outcomesDuctal carcinomaCancer mortalityEnd Results-Medicare datasetCompeting-risks survival analysisLymph node biopsyPopulation cohort dataNode biopsyOlder patientsSentinel lymphBreast conservationUS SurveillanceTerm outcomesSurvival analysisDCISPatientsStatistical significanceRoutine performanceBiopsySurgeryCarcinomaRecurrence
2014
Understanding Regional Variation in Medicare Expenditures for Initial Episodes of Prostate Cancer Care
Wang SY, Wang R, Yu JB, Ma X, Xu X, Kim SP, Soulos PR, Saraf A, Gross CP. Understanding Regional Variation in Medicare Expenditures for Initial Episodes of Prostate Cancer Care. Medical Care 2014, 52: 680-687. PMID: 25023913, PMCID: PMC4129645, DOI: 10.1097/mlr.0000000000000158.Peer-Reviewed Original ResearchConceptsAncillary proceduresPatient characteristicsTreatment modalitiesTreatment intensityEnd Results-Medicare databaseProstate cancer careSpecific treatment modalitiesContribution of patientHospital referral regionsInitial treatmentCancer careInitial episodeNoncancer controlsProstate cancerQuintile 5Referral regionsSubstantial geographic variationCare costsMedicare expendituresCostly modalityTreatment factorsMean expenditureLowest expenditure quintileSurgeryModalities
2010
The Impact of Surgery, Radiation, and Systemic Treatment on Outcomes in Patients With Ductal Carcinoma In Situ
Kane RL, Virnig BA, Shamliyan T, Wang SY, Tuttle TM, Wilt TJ. The Impact of Surgery, Radiation, and Systemic Treatment on Outcomes in Patients With Ductal Carcinoma In Situ. JNCI Monographs 2010, 2010: 130-133. PMID: 20956816, PMCID: PMC5161061, DOI: 10.1093/jncimonographs/lgq022.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic AgentsAntineoplastic Agents, HormonalAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, Intraductal, NoninfiltratingChemotherapy, AdjuvantCombined Modality TherapyDisease ProgressionFemaleHumansIncidenceMastectomyMastectomy, SegmentalNeoplasm Recurrence, LocalNeoplasms, Second PrimaryPrognosisRadiotherapy, AdjuvantRandomized Controlled Trials as TopicTamoxifenTreatment OutcomeConceptsBreast-conserving surgeryDuctal carcinomaInvasive carcinomaWhole breast radiation therapyImpact of surgeryTerms of recurrenceInvasive recurrenceRecurrent DCISDCIS recurrenceSystemic treatmentObservational studyRadiation therapyEquivalent outcomesCarcinomaMastectomyRecurrenceDCISSurgeryTamoxifenLower ratesOutcomesWomenLumpectomyPatientsMEDLINE