2024
Survival Among Patients With High-Risk Gastrointestinal Cancers During the COVID-19 Pandemic
Janczewski L, Browner A, Cotler J, Palis B, Chan K, Joung R, Bentrem D, Merkow R, Boffa D, Nelson H. Survival Among Patients With High-Risk Gastrointestinal Cancers During the COVID-19 Pandemic. JAMA Network Open 2024, 7: e240160. PMID: 38441896, PMCID: PMC10915687, DOI: 10.1001/jamanetworkopen.2024.0160.Peer-Reviewed Original ResearchConceptsStage IV diseaseRetrospective cohort studyCohort studyQuality care deliveryIV diseaseOperative mortalityHigh riskPandemic-related stressorsAssociated with increased 1-year mortalityDiagnosis of stage IMultivariate logistic regressionCOVID-19 pandemicCare deliveryNational Cancer DatabaseKaplan-Meier curvesEvaluate 30-dayMain OutcomesFollow-up dataCancer communityPrepandemic levelsLogistic regressionCancer DatabaseCOVID-19COVID-19 infectionMalignant neoplasms
2023
Association Between Metastatic Pattern and Prognosis in Stage IV Gastric Cancer: Potential for Stage Classification Reform
Zhan P, Canavan M, Ermer T, Pichert M, Li A, Maduka R, Udelsman B, Nemeth A, Boffa D. Association Between Metastatic Pattern and Prognosis in Stage IV Gastric Cancer: Potential for Stage Classification Reform. Annals Of Surgical Oncology 2023, 30: 4180-4191. PMID: 36869917, DOI: 10.1245/s10434-023-13287-9.Peer-Reviewed Original ResearchConceptsStage IV gastric cancerNonregional lymph nodesMultivariable Cox modelLymph nodesGastric cancerMetastatic patternCox modelStage IV gastric cancer patientsBetter median survivalNational Cancer DatabaseRetrospective cohort studyStage IV patientsKaplan-Meier curvesGastric cancer patientsPropensity score-matched sampleSingle organYears of ageDistant diseaseCohort studyIV patientsMedian survivalMetastatic diseaseMost patientsBetter prognosisSystemic organs
2021
Chemoradiation as a nonsurgical treatment option for early-stage esophageal cancers: a retrospective cohort study
Pathak R, Canavan ME, Walters S, Salazar MC, Boffa DJ. Chemoradiation as a nonsurgical treatment option for early-stage esophageal cancers: a retrospective cohort study. Journal Of Thoracic Disease 2021, 13: 140-148. PMID: 33569194, PMCID: PMC7867841, DOI: 10.21037/jtd-20-1187.Peer-Reviewed Original ResearchEarly-stage esophageal cancerEsophageal cancerOverall survivalDefinitive non-surgical treatmentComorbidity-free patientsCT1/T2National Cancer DatabaseRetrospective cohort studyNon-surgical treatmentSubset of patientsGoals of careKaplan-Meier curvesNonsurgical treatment optionsKaplan-Meier estimatesInoperable patientsCohort studyNonsurgical approachCure rateTreatment optionsCancer patientsEndoscopic excisionCancer DatabaseTumor removalChemoradiationPatients