2019
Predictors of Lymph Node Involvement by Soft Tissue Sarcoma of the Trunk and Extremity: An Analysis of the National Cancer Database
Miccio JA, Jairam V, Gao S, Augustyn A, Oladeru OT, Onderdonk BE, Chowdhary M, Han D, Khan S, Friedlaender G, Lindskog DM, Desphande HA, Osborn H, Roberts KB, Patel KR. Predictors of Lymph Node Involvement by Soft Tissue Sarcoma of the Trunk and Extremity: An Analysis of the National Cancer Database. Cureus 2019, 11: e6038. PMID: 31824805, PMCID: PMC6886621, DOI: 10.7759/cureus.6038.Peer-Reviewed Original ResearchSoft tissue sarcomasPathologic nodal evaluationNational Cancer DatabaseLymphovascular invasionNodal evaluationRisk factorsMultivariable logistic regression modelExtremity STS patientsGrade 3 tumorsHigh-risk groupTrunk/extremitiesLogistic regression modelsNeoadjuvant therapyWorse survivalRetrospective reviewSTS patientsDistant metastasisMultivariable analysisEpithelioid histologyTissue sarcomasCancer DatabaseExclusion criteriaPatientsLNMMetastasis
2016
The effect of microscopic margin status on survival in adult retroperitoneal soft tissue sarcomas
Stahl JM, Corso CD, Park HS, An Y, Rutter CE, Han D, Roberts KB. The effect of microscopic margin status on survival in adult retroperitoneal soft tissue sarcomas. European Journal Of Surgical Oncology 2016, 43: 168-174. PMID: 27335080, DOI: 10.1016/j.ejso.2016.05.031.Peer-Reviewed Original ResearchConceptsSoft tissue sarcomasOverall survivalR1 resectionR0 resectionMargin statusNational Cancer Data BaseRetroperitoneal soft tissue sarcomaCox proportional hazards regressionPropensity scoreMultivariable logistic regression modelMedian overall survivalMicroscopic margin statusPre-operative RTReceipt of RTUnderwent R0 resectionSuperior overall survivalSmaller tumor sizeLow tumor gradeProportional hazards regressionLog-rank testRetroperitoneal soft tissueLogistic regression modelsLiposarcoma histologyR1 patientsRadiotherapy receipt
2013
Variation in Receipt of Radiation Therapy After Breast-conserving Surgery
Feinstein AJ, Soulos PR, Long JB, Herrin J, Roberts KB, Yu JB, Gross CP. Variation in Receipt of Radiation Therapy After Breast-conserving Surgery. Medical Care 2013, 51: 330-338. PMID: 23151590, PMCID: PMC3596448, DOI: 10.1097/mlr.0b013e31827631b0.Peer-Reviewed Original ResearchConceptsUse of RTShort life expectancyRadiation therapyBreast cancerLife expectancyPrimary surgeonStage I breast cancerEarly-stage breast cancerRadiation oncologist densityAdjuvant radiation therapyI breast cancerReceipt of radiationBreast-conserving surgeryImpact of physiciansHierarchical logistic regression modelsLogistic regression modelsLonger life expectancyLE patientsRetrospective cohortLE groupOlder womenPatientsTreatment ratesWomenCancer
2012
The influence of physician densities and patient characteristics on the decision to treat prostate cancer patients with varying clinical benefit.
Yu J, Aneja S, Makarov D, Roberts K, Gross C. The influence of physician densities and patient characteristics on the decision to treat prostate cancer patients with varying clinical benefit. Journal Of Clinical Oncology 2012, 30: 19-19. DOI: 10.1200/jco.2012.30.5_suppl.19.Peer-Reviewed Original ResearchHealth system factorsHealth service areasCurative therapyUrologist densityClinical benefitProstate cancerRadiation oncologistsPhysician densitySystem factorsRadiation oncologist densityEnd Results (SEER) databaseLower likelihoodReceipt of treatmentMarital statusProstate cancer patientsHigher likelihoodLogistic regression modelsArea Resource FilePatient characteristicsPatient factorsInitial treatmentResults databasePatient populationCancer patientsProper therapyThe influence of regional radiation oncologist and urologist capacities on treatment choice for prostate cancer management.
Yu J, Aneja S, Makarov D, Roberts K, Gross C. The influence of regional radiation oncologist and urologist capacities on treatment choice for prostate cancer management. Journal Of Clinical Oncology 2012, 30: 108-108. DOI: 10.1200/jco.2012.30.5_suppl.108.Peer-Reviewed Original ResearchHealth service areasOnly surgical treatmentSurgical treatmentHealth system characteristicsProstate cancer managementTreatment choiceCancer managementRadiation oncologistsRadiation oncologist densityEnd Results (SEER) databaseSeparate logistic regression modelsHealth system dataLogistic regression modelsArea Resource FileUse of RTUrologist densityHospital densityPatient factorsResults databaseSurgical interventionUrology serviceTreatment modalitiesProstate cancerNCI's SurveillanceRadiation therapy