2024
Further insights into MARS 2
Zhan P, Boffa D, Woodard G. Further insights into MARS 2. The Lancet Respiratory Medicine 2024, 12: e52. PMID: 39214641, DOI: 10.1016/s2213-2600(24)00251-0.Peer-Reviewed Original ResearchAssociation of patient socioeconomic status with outcomes after palliative treatment for disseminated cancer
Maduka R, Canavan M, Walters S, Ermer T, Zhan P, Kaminski M, Li A, Pichert M, Salazar M, Prsic E, Boffa D. Association of patient socioeconomic status with outcomes after palliative treatment for disseminated cancer. Cancer Medicine 2024, 13: e7028. PMID: 38711364, PMCID: PMC11074703, DOI: 10.1002/cam4.7028.Peer-Reviewed Original ResearchConceptsOptimal quality of careQuality of carePatient socioeconomic statusAssociated with improved qualityAssociated with improved quality of lifeEnd-of-lifeUS cancer populationPalliative treatmentQuality of lifeCox proportional hazards modelsMultivariate logistic regressionInformed decision makingProportional hazards modelFacility characteristicsNon-HispanicAssociated with lower ratesInsurance payer statusImproving informed decision makingCancer populationSocioeconomic statusHispanic ethnicityTreatment usePayer statusBlack raceLogistic regressionSurvival 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 neoplasmsMedicaid Expansion Under the Affordable Care Act and Early Mortality Following Lung Cancer Surgery
Nogueira L, Boffa D, Jemal A, Han X, Yabroff K. Medicaid Expansion Under the Affordable Care Act and Early Mortality Following Lung Cancer Surgery. JAMA Network Open 2024, 7: e2351529. PMID: 38214932, PMCID: PMC10787311, DOI: 10.1001/jamanetworkopen.2023.51529.Peer-Reviewed Original ResearchConceptsMedicaid expansion statusNon-small cell lung cancerMedicaid expansion statesMedicaid expansionSurgical resection of non-small cell lung cancerResection of non-small cell lung cancerDifference-in-differencesExpansion statesPatients' state of residenceNonexpansion statesCohort studyAssociation of Medicaid expansionExpansion statusPostoperative mortalityDifference-in-differences analysisStudy population characteristicsState of residenceAffordable Care ActHealth insurance coverageCohort study of patientsSurgical resectionEarly mortalityMain OutcomesAssociated with declinesCancer outcomes
2023
National Cancer Database Reports Ongoing Disruptions in Cancer Diagnoses in 2021
Janczewski L, Browner A, Cotler J, Palis B, McCabe R, Boffa D, Nelson H. National Cancer Database Reports Ongoing Disruptions in Cancer Diagnoses in 2021. Annals Of Surgical Oncology 2023, 31: 729-730. PMID: 38062292, DOI: 10.1245/s10434-023-14748-x.Peer-Reviewed Original ResearchAlterations in Cancer Treatment During the First Year of the COVID-19 Pandemic in the US
Janczewski L, Cotler J, Merkow R, Palis B, Nelson H, Mullett T, Boffa D. Alterations in Cancer Treatment During the First Year of the COVID-19 Pandemic in the US. JAMA Network Open 2023, 6: e2340148. PMID: 37902756, PMCID: PMC10616721, DOI: 10.1001/jamanetworkopen.2023.40148.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseCancer treatmentAcademic hospitalCommunity hospitalMAIN OUTCOMECOVID-19 pandemicProportion of patientsRetrospective cohort studyAvailability of treatmentFirst yearUnderwent surgeryCohort studyMedian ageCancer surgeryMedian timeTreatment of cancerCancer careTreatment modalitiesCancer screeningCancer DatabaseMedian travel distancePatientsHospitalSurgeryCancerRespect the Middle Lobe: Perioperative Risk of Bilobectomy Compared With Lobectomy and Pneumonectomy
Li A, Canavan M, Ermer T, Maduka R, Zhan P, Pichert M, Boffa D, Blasberg J. Respect the Middle Lobe: Perioperative Risk of Bilobectomy Compared With Lobectomy and Pneumonectomy. The Annals Of Thoracic Surgery 2023, 117: 163-171. PMID: 37774762, DOI: 10.1016/j.athoracsur.2023.09.023.Peer-Reviewed Original ResearchConceptsLower bilobectomyLeft pneumonectomyLung cancerMiddle lobeRight-sided lung cancerCox proportional hazards modelThirty-day morbidityTotal lung functionPreoperative risk stratificationThoracic Surgeons databaseProportional hazards modelPneumonectomy patientsUpper bilobectomyBronchial involvementPerioperative mortalityPerioperative riskPerioperative variablesPatient demographicsPulmonary resectionRight pneumonectomySecondary outcomesLung functionMiddle lobectomyPrimary outcomePropensity matchingAssociation of Wildfire Exposure While Recovering From Lung Cancer Surgery With Overall Survival
Zhang D, Xi Y, Boffa D, Liu Y, Nogueira L. Association of Wildfire Exposure While Recovering From Lung Cancer Surgery With Overall Survival. JAMA Oncology 2023, 9: 1214-1220. PMID: 37498574, PMCID: PMC10375383, DOI: 10.1001/jamaoncol.2023.2144.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerOverall survivalWorse overall survivalLung cancerNSCLC surgeryCohort studyHazard ratioSurgical resectionNSCLC resectionLong-term overall survivalNational Cancer DatabaseLung cancer surgeryLymph node involvementCell lung cancerHealth insurance typeHealth hazardsHospital dischargeNode involvementCancer surgeryStudy endTumor sizeCancer DatabaseInsurance typeHigh riskUnexposed individualsDisruption of National Cancer Database Data Models in the First Year of the COVID-19 Pandemic
Lum S, Browner A, Palis B, Nelson H, Boffa D, Nogueira L, Hawhee V, McCabe R, Mullett T, Wick E. Disruption of National Cancer Database Data Models in the First Year of the COVID-19 Pandemic. JAMA Surgery 2023, 158: 643-650. PMID: 37043215, DOI: 10.1001/jamasurg.2023.0652.Peer-Reviewed Original ResearchAssociation 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
2022
Evaluation of the Impact of the COVID-19 Pandemic on Reliability of Cancer Surveillance Data in the National Cancer Database
Nogueira L, Palis B, Boffa D, Lum S, Yabroff K, Nelson H. Evaluation of the Impact of the COVID-19 Pandemic on Reliability of Cancer Surveillance Data in the National Cancer Database. Annals Of Surgical Oncology 2022, 30: 2087-2093. PMID: 36539579, PMCID: PMC9767395, DOI: 10.1245/s10434-022-12935-w.Peer-Reviewed Original ResearchThoracic CT follow-up after non-small-cell lung cancer resection
Woodard G, Boffa D, Blasberg J. Thoracic CT follow-up after non-small-cell lung cancer resection. The Lancet Oncology 2022, 23: e484. PMID: 36328013, DOI: 10.1016/s1470-2045(22)00618-0.Commentaries, Editorials and LettersEvaluating information loss in the National Cancer Database from cases lost to follow‐up
Cotler JH, Nogueira L, McCabe R, Nelson H, Brajcich BC, Boffa DJ, Lum SS, Harris JB, Hawhee V, Mullett TW, Bilimoria KY, Palis BE. Evaluating information loss in the National Cancer Database from cases lost to follow‐up. Journal Of Surgical Oncology 2022, 126: 1123-1132. PMID: 36029288, DOI: 10.1002/jso.26977.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseCancer casesPediatric casesAdult casesCancer DatabaseRectal cancer casesLung cancer casesMean survival timeBreast cancer casesHazard ratioCancer RegistryYears postdiagnosisSurvival outcomesLymphoma casesSurvival timeLeukemia casesSurvival analysisResource burdenFollowTotalMinimal differencesYearsAnnual increasePostdiagnosisPatientsImmunotherapy After Chemotherapy and Radiation for Clinical Stage III Lung Cancer
Pichert MD, Canavan ME, Maduka RC, Li AX, Ermer T, Zhan PL, Kaminski M, Udelsman BV, Blasberg JD, Park HS, Goldberg SB, Boffa DJ. Immunotherapy After Chemotherapy and Radiation for Clinical Stage III Lung Cancer. JAMA Network Open 2022, 5: e2224478. PMID: 35925606, PMCID: PMC9353596, DOI: 10.1001/jamanetworkopen.2022.24478.Peer-Reviewed Original ResearchConceptsStage III non-small cell lung cancerNon-small cell lung cancerClinical stage III non-small cell lung cancerUnresectable stage III non-small cell lung cancerPropensity-matched sampleGeneral US populationSurvival advantageCohort studyLung cancerMultivariable Cox proportional hazards modelsUS populationStage III lung cancerMedian age 66 yearsCox proportional hazards modelNational Cancer DatabaseEfficacy of immunotherapyAge 66 yearsProtocol rangesCell lung cancerClinical trial populationsProportional hazards modelTerms of ageImmunotherapy initiationImmunotherapy recipientsImmunotherapy useAcceptance of Simulated Adult Patients With Medicaid Insurance Seeking Care in a Cancer Hospital for a New Cancer Diagnosis
Marks VA, Hsiang WR, Nie J, Demkowicz P, Umer W, Haleem A, Galal B, Pak I, Kim D, Salazar MC, Berger ER, Boffa DJ, Leapman MS. Acceptance of Simulated Adult Patients With Medicaid Insurance Seeking Care in a Cancer Hospital for a New Cancer Diagnosis. JAMA Network Open 2022, 5: e2222214. PMID: 35838668, PMCID: PMC9287756, DOI: 10.1001/jamanetworkopen.2022.22214.Peer-Reviewed Original ResearchConceptsNew cancer diagnosesMedicaid insuranceCancer careAdult patientsSkin cancerComprehensive community cancer programsMultivariable logistic regression modelMedicaid acceptanceCancer-accredited facilitiesCancer diagnosisCommunity cancer programsBreast cancer carePopulation of patientsState Medicaid expansion statusCancer care servicesFacility-level factorsAbility of patientsAmerican Hospital Association Annual SurveyMedicaid expansion statusHigh-quality careLogistic regression modelsCancer HospitalCommon cancerFindings highlight gapsCancer programsAssociation of Lymph Node Sampling and Clinical Volume in Lobectomy for Non–Small Cell Lung Cancer
Udelsman BV, Chang DC, Boffa DJ, Gaissert HA. Association of Lymph Node Sampling and Clinical Volume in Lobectomy for Non–Small Cell Lung Cancer. The Annals Of Thoracic Surgery 2022, 115: 166-173. PMID: 35752354, DOI: 10.1016/j.athoracsur.2022.05.051.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerHigh-volume centersThoracic Surgeons General Thoracic Surgery DatabaseGeneral Thoracic Surgery DatabaseMedium-volume centersLow-volume centersCell lung cancerThoracic Surgery DatabaseNodal harvestParticipant centersLymph nodesLung cancerSurgery DatabaseLymph node samplingMultivariable logistic regressionHigher center volumeLong-term survivalPotential quality metricElective lobectomyAdjuvant therapyNodal yieldGuideline adherencePrimary outcomeUnivariable analysisMultivariable analysisAssociation of Insurance Status and Extent of Organ Involvement With Survival Among Patients With Stage IV Cancer
Zhan PL, Canavan ME, Ermer T, Pichert MD, Li AX, Maduka RC, Boffa DJ. Association of Insurance Status and Extent of Organ Involvement With Survival Among Patients With Stage IV Cancer. JAMA Network Open 2022, 5: e2217581. PMID: 35713907, PMCID: PMC9206181, DOI: 10.1001/jamanetworkopen.2022.17581.Peer-Reviewed Original ResearchAssociation Between Food and Drug Administration Approval and Disparities in Immunotherapy Use Among Patients With Cancer in the US
Ermer T, Canavan ME, Maduka RC, Li AX, Salazar MC, Kaminski MF, Pichert MD, Zhan PL, Mase V, Kluger H, Boffa DJ. Association Between Food and Drug Administration Approval and Disparities in Immunotherapy Use Among Patients With Cancer in the US. JAMA Network Open 2022, 5: e2219535. PMID: 35771575, PMCID: PMC9247736, DOI: 10.1001/jamanetworkopen.2022.19535.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerRenal cell carcinomaUse of immunotherapyFDA approvalImmunotherapy useCohort studyClinical trialsNovel therapiesStage IV non-small cell lung cancerMultivariable logistic regression modelingFirst checkpoint inhibitorCheckpoint inhibitor therapyNational Cancer DatabasePatients 20 yearsCell lung cancerSocioeconomic strataTreatment of patientsDrug Administration approvalLife-saving treatmentReceipt of immunotherapyLogistic regression modelingSocioeconomic characteristicsImmunotherapy administrationCheckpoint inhibitorsPatient characteristicsDefining Relevancy in Patient-Reported Outcomes for Lung Cancer Surgery
Dhanasopon AP, Boffa DJ. Defining Relevancy in Patient-Reported Outcomes for Lung Cancer Surgery. Annals Of Surgical Oncology 2022, 29: 5367-5368. PMID: 35503390, DOI: 10.1245/s10434-022-11797-6.Peer-Reviewed Original ResearchAppendiceal Cancer in the National Cancer Database: Increasing Frequency, Decreasing Age, and Shifting Histology.
Salazar MC, Canavan ME, Chilakamarry S, Boffa DJ, Schuster KM. Appendiceal Cancer in the National Cancer Database: Increasing Frequency, Decreasing Age, and Shifting Histology. Journal Of The American College Of Surgeons 2022, 234: 1082-1089. PMID: 35703801, DOI: 10.1097/xcs.0000000000000172.Peer-Reviewed Original ResearchConceptsRight-sided colon cancerNational Cancer DatabaseAppendiceal cancerColon cancerAcute appendicitisNonoperative managementCancer DatabasePatients 49 yearsPatients 18 yearsArea of residenceLogistic regression modelsAppendiceal histologyPatients 40Appendectomy specimensPatient ageCarcinoid tumorsAppendiceal carcinoidsCancer incidenceCancer histologySmall studyAge groupsCancerCarcinoidsLogistic regressionHistology