2024
Association 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 regression
2023
Association 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 ResearchMeSH KeywordsCarcinoma, Non-Small-Cell LungChildCohort StudiesFemaleHumansLung NeoplasmsMaleNeoplasm StagingWildfiresConceptsNon-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 individualsAssociation 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 ResearchMeSH KeywordsHumansLymphatic MetastasisNeoplasm StagingPrognosisProportional Hazards ModelsRetrospective StudiesStomach NeoplasmsConceptsStage 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
Immunotherapy 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 ResearchMeSH KeywordsAgedCarcinoma, Non-Small-Cell LungCohort StudiesFemaleHumansImmunotherapyLung NeoplasmsMaleNeoplasm StagingConceptsStage 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 useAssociation 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 analysis
2021
Role of adjuvant therapy in T1-2N0 resected non–small cell lung cancer
Woodard GA, Li A, Boffa DJ. Role of adjuvant therapy in T1-2N0 resected non–small cell lung cancer. Journal Of Thoracic And Cardiovascular Surgery 2021, 163: 1685-1692. PMID: 34334172, DOI: 10.1016/j.jtcvs.2021.05.053.Peer-Reviewed Original ResearchAdjuvant Chemotherapy for T4 Non-Small Cell Lung Cancer with Additional Ipsilateral Lung Nodules
Li AX, Flores K, Canavan ME, Boffa DJ, Blasberg JD. Adjuvant Chemotherapy for T4 Non-Small Cell Lung Cancer with Additional Ipsilateral Lung Nodules. The Annals Of Thoracic Surgery 2021, 113: 421-428. PMID: 33684345, DOI: 10.1016/j.athoracsur.2021.02.042.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerDifferent ipsilateral lobeCell lung cancerAdditional tumor nodulesT4 non-small cell lung cancerAdjuvant chemotherapyIpsilateral lobeT4 diseaseTumor nodulesLung cancerT4 tumorsOverall survivalSurgical resectionIIIA non-small cell lung cancerAdjuvant multiagent chemotherapyResectable stage IINational Cancer DatabaseFurther prospective studiesLymph node metastasisMultiagent chemotherapyNode metastasisPrimary outcomeProspective studyPatient populationCancer Database
2020
Association of Survival With Adjuvant Chemotherapy Among Patients With Early-Stage Non–Small Cell Lung Cancer With vs Without High-Risk Clinicopathologic Features
Pathak R, Goldberg SB, Canavan M, Herrin J, Hoag JR, Salazar MC, Papageorge M, Ermer T, Boffa DJ. Association of Survival With Adjuvant Chemotherapy Among Patients With Early-Stage Non–Small Cell Lung Cancer With vs Without High-Risk Clinicopathologic Features. JAMA Oncology 2020, 6: 1741-1750. PMID: 32940636, PMCID: PMC7499246, DOI: 10.1001/jamaoncol.2020.4232.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, Non-Small-Cell LungChemotherapy, AdjuvantCohort StudiesFemaleHumansLung NeoplasmsNeoplasm StagingRetrospective StudiesConceptsNode-negative non-small cell lung cancerHigh-risk pathologic featuresNon-small cell lung cancerAdjuvant chemotherapyCell lung cancerPathologic featuresTumor sizeSurvival benefitCohort studyLung cancerNode-negative NSCLCEarly-stage non-small cell lung cancerCox proportional hazards regression modelHigh-risk clinicopathologic featuresProportional hazards regression modelsNational Cancer DatabaseRetrospective cohort studyTreatment-naive patientsAdjuvant chemotherapy useHigh-risk featuresAssociation of survivalHazards regression modelsImmortal time biasChemotherapy useEligible patientsEvaluation of Cancer Care After Medicaid Expansion Under the Affordable Care Act
Salazar MC, Canavan ME, Walters SL, Herrin J, Schwartz JL, Leapman M, Boffa DJ. Evaluation of Cancer Care After Medicaid Expansion Under the Affordable Care Act. JAMA Network Open 2020, 3: e2017544. PMID: 32990734, PMCID: PMC7525361, DOI: 10.1001/jamanetworkopen.2020.17544.Peer-Reviewed Original ResearchInvasive Staging Procedures Do Not Prevent Nodal Metastases From Being Missed in Stage I Lung Cancer
Resio BJ, Canavan M, Mase V, Dhanasopon AP, Blasberg JD, Boffa DJ. Invasive Staging Procedures Do Not Prevent Nodal Metastases From Being Missed in Stage I Lung Cancer. The Annals Of Thoracic Surgery 2020, 110: 390-397. PMID: 32283084, DOI: 10.1016/j.athoracsur.2020.03.026.Peer-Reviewed Original ResearchConceptsStage I lung cancerI lung cancerMissed nodal metastasisClinical stage I lung cancerNodal metastasisLung cancerPositron emission tomographyStaging evaluationCancer patientsEndobronchial ultrasoundInvasive nodalClinical stage I patientsEarly-stage lung cancer patientsOccult lymph node metastasisEmission tomographyThoracic Surgeons General Thoracic Surgery DatabaseInvasive staging proceduresClinical stage IStage I patientsTreatment-naive patientsGeneral Thoracic Surgery DatabaseLow-risk cohortOccult nodal metastasisLymph node metastasisLung cancer patientsEquivalent Survival Between Lobectomy and Segmentectomy for Clinical Stage IA Lung Cancer
Onaitis MW, Furnary AP, Kosinski AS, Feng L, Boffa D, Tong BC, Cowper P, Jacobs JP, Wright CD, Habib R, Putnam JB, Fernandez FG. Equivalent Survival Between Lobectomy and Segmentectomy for Clinical Stage IA Lung Cancer. The Annals Of Thoracic Surgery 2020, 110: 1882-1891. PMID: 32119855, DOI: 10.1016/j.athoracsur.2020.01.020.Peer-Reviewed Original ResearchConceptsThoracic Surgeons databaseSurgeons databaseLung cancerSimilar survivalClinical stage IA lung cancerClinical stage IA diseaseStage IA lung cancerEarly-stage lung cancerPositron emission tomography resultsThoracic Surgeons General Thoracic Surgery DatabaseStage IA diseaseGeneral Thoracic Surgery DatabaseLung cancer patientsMediastinal staging proceduresThoracic Surgery DatabaseLong-term survivalIA diseaseN0 patientsStaging procedureOncologic efficacyCox regressionEntire cohortCancer patientsClinical variablesEquivalent survivalSurgically Managed Signet Ring Cell Esophageal Carcinomas in the National Cancer Database
Sathe TS, Resio BJ, Hoag JR, Monsalve AF, Pathak R, Blasberg JD, Mase V, Dhanasopon A, Boffa DJ. Surgically Managed Signet Ring Cell Esophageal Carcinomas in the National Cancer Database. The Annals Of Thoracic Surgery 2020, 109: 1656-1662. PMID: 32109449, DOI: 10.1016/j.athoracsur.2020.01.021.Peer-Reviewed Original ResearchConceptsSignet ring cell adenocarcinomaNational Cancer DatabaseSRC tumorsACA patientsCancer DatabaseProportional hazards regression modelsCommon histologic variantRole of esophagectomyClinical stage IRole of surgeryHazards regression modelsHigh-grade tumorsSRC histologySRC patientsAdult patientsComplete resectionWorse prognosisCell adenocarcinomaEsophageal cancerEsophageal carcinomaHistologic variantsSuperior survivalEsophageal adenocarcinomaTreatment characteristicsClinical recommendations
2019
Digital Inference of Immune Microenvironment Reveals Low-Risk Subtype of Early Lung Adenocarcinoma
Kurbatov V, Balayev A, Saffarzadeh A, Heller DR, Boffa DJ, Blasberg JD, Lu J, Khan SA. Digital Inference of Immune Microenvironment Reveals Low-Risk Subtype of Early Lung Adenocarcinoma. The Annals Of Thoracic Surgery 2019, 109: 343-349. PMID: 31568747, DOI: 10.1016/j.athoracsur.2019.08.050.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinoma of LungAdultAgedCohort StudiesDatabases, FactualDisease-Free SurvivalFemaleHumansImmunotherapyKaplan-Meier EstimateLung NeoplasmsMaleMiddle AgedNeoplasm InvasivenessNeoplasm StagingPneumonectomyPrognosisProportional Hazards ModelsRetrospective StudiesRisk AssessmentSurvival AnalysisTumor MicroenvironmentConceptsTumor immune microenvironmentImmune microenvironmentLung adenocarcinomaOverall survivalRisk groupsMast cellsCox proportional hazard modelingEarly-stage lung adenocarcinomaLow-risk subtypesKaplan-Meier analysisPathological staging systemProportional hazard modelingImproved clinical outcomesCancer immune microenvironmentImmune cell typesEarly lung adenocarcinomaActivation stateClinical outcomesValidation cohortMacrophage contentStaging systemMultivariable modelCIBERSORT analysisPatientsClinical decisionComparison of Survival Rates After a Combination of Local Treatment and Systemic Therapy vs Systemic Therapy Alone for Treatment of Stage IV Non–Small Cell Lung Cancer
Uhlig J, Case MD, Blasberg JD, Boffa DJ, Chiang A, Gettinger SN, Kim HS. Comparison of Survival Rates After a Combination of Local Treatment and Systemic Therapy vs Systemic Therapy Alone for Treatment of Stage IV Non–Small Cell Lung Cancer. JAMA Network Open 2019, 2: e199702. PMID: 31433481, PMCID: PMC6707019, DOI: 10.1001/jamanetworkopen.2019.9702.Peer-Reviewed Original ResearchMeSH KeywordsAblation TechniquesAdolescentAdultAgedAged, 80 and overAntineoplastic AgentsCarcinoma, Non-Small-Cell LungChemotherapy, AdjuvantComparative Effectiveness ResearchDatabases, FactualFemaleFollow-Up StudiesHumansLung NeoplasmsMaleMiddle AgedNeoplasm MetastasisNeoplasm StagingPneumonectomyProportional Hazards ModelsRadiotherapy, AdjuvantRetrospective StudiesSurvival RateTreatment OutcomeYoung AdultConceptsStage IV non-small cell lung cancerNon-small cell lung cancerPrimary tumor siteSuperior overall survivalSystemic therapySurgical resectionCell lung cancerExternal beam radiotherapyOverall survivalSurvival benefitLocal treatmentTumor siteTumor characteristicsLung cancerTreatment groupsMultivariable Cox proportional hazards regression modelsOligometastatic non-small cell lung cancerStage IV squamous cell carcinomaSurvival rateCox proportional hazards regression modelProportional hazards regression modelsComparative effectiveness research studyCancer-specific factorsNational Cancer DatabaseStage IV disease
2018
Variable impact of prior cancer history on the survival of lung cancer patients
Monsalve AF, Hoag JR, Resio BJ, Chiu AS, Brown LB, Detterbeck FC, Blasberg JD, Boffa DJ. Variable impact of prior cancer history on the survival of lung cancer patients. Lung Cancer 2018, 127: 130-137. PMID: 30642541, DOI: 10.1016/j.lungcan.2018.11.040.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerPrior cancer historyNational Cancer DatabaseCancer historyOverall survivalNSCLC patientsMultivariable Cox proportional hazards regression modelsTreatment approachesCox proportional hazards regression modelProportional hazards regression modelsKaplan-Meier survival curvesNSCLC patient survivalCell lung cancerHazards regression modelsLung cancer patientsPrior cancerPrior malignancyNSCLC survivalPatient survivalCancer patientsLung cancerCancer DatabasePatient's potentialPrior historyPatientsLack of correlation between short- and long-term performance after lung cancer surgery
Fernandez FG, Kosinski AS, Tong BC, Furnary AP, Feng L, Onaitis M, Boffa D, Wright CD, Cowper P, Jacobs JP, Habib RH, Putnam JB. Lack of correlation between short- and long-term performance after lung cancer surgery. Journal Of Thoracic And Cardiovascular Surgery 2018, 157: 1633-1643.e3. PMID: 30635179, DOI: 10.1016/j.jtcvs.2018.09.141.Peer-Reviewed Original ResearchConceptsLung cancer surgeryStandardized incidence ratiosCancer surgeryLong-term survivalPerioperative morbidityIncidence ratiosPathologic stage I lung cancerStage I lung cancerThoracic Surgeons General Thoracic Surgery DatabaseI lung cancerPerioperative major morbidityGeneral Thoracic Surgery DatabaseLong-term time pointsSeparate multivariable modelsSafety of surgeryThoracic Surgery DatabaseMajor morbidityOncologic efficacyLung cancerSurgery DatabaseMultivariable modelStudy populationSurgeryMorbidityTime points
2017
Effectiveness of local therapy for stage I non–small-cell lung cancer in nonagenarians
Arnold BN, Thomas DC, Rosen JE, Salazar MC, Detterbeck FC, Blasberg JD, Boffa DJ, Kim AW. Effectiveness of local therapy for stage I non–small-cell lung cancer in nonagenarians. Surgery 2017, 162: 640-651. PMID: 28697883, DOI: 10.1016/j.surg.2017.04.025.Peer-Reviewed Original ResearchMeSH KeywordsAged, 80 and overCarcinoma, Non-Small-Cell LungConfidence IntervalsDatabases, FactualDisease-Free SurvivalFemaleGeriatric AssessmentHumansKaplan-Meier EstimateLogistic ModelsLung NeoplasmsMaleMultivariate AnalysisNeoplasm InvasivenessNeoplasm StagingOdds RatioPneumonectomyProportional Hazards ModelsRadiotherapyRegistriesRisk AssessmentSecondary PreventionSurvival AnalysisConceptsCell lung cancerLocal therapyLung cancerStage IRelative survivalStereotactic body radiation therapyNational Cancer DatabaseBetter overall survivalBody radiation therapyOlder patientsOverall survivalPatient ageYounger patientsOverall mortalityPrimary outcomeCancer DatabaseTreatment outcomesTreatment decisionsRadiation therapyPatientsTherapyCancerNonagenariansTreatmentSurvival
2016
Defining outcomes of patients with clinical stage I small cell lung cancer upstaged at surgery
Thomas DC, Arnold BN, Rosen JE, Salazar MC, Blasberg JD, Detterbeck FC, Boffa DJ, Kim AW. Defining outcomes of patients with clinical stage I small cell lung cancer upstaged at surgery. Lung Cancer 2016, 103: 75-81. PMID: 28024700, DOI: 10.1016/j.lungcan.2016.11.016.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCarcinoma, Non-Small-Cell LungChemotherapy, AdjuvantCombined Modality TherapyDatabases, FactualFemaleGuidelines as TopicHumansLung NeoplasmsLymphatic MetastasisMaleMiddle AgedNeoplasm StagingOutcome Assessment, Health CarePneumonectomyPostoperative PeriodRadiotherapySmall Cell Lung CarcinomaSurvival AnalysisConceptsStage I small cell lung cancerClinical stage ISmall cell lung cancerCell lung cancerAdjuvant chemotherapySurgical resectionPathologic upstagingStage IRadiation therapyNodal diseaseLung cancerPositive lymph node involvementNational Cancer DatabaseOutcomes of patientsLymph node involvementProportion of patientsCurative intentNodal upstagingSCLC patientsUpstaged patientsAdjuvant therapyNode involvementIndependent predictorsInferior survivalT descriptorThe Eighth Edition Lung Cancer Stage Classification
Detterbeck FC, Boffa DJ, Kim AW, Tanoue LT. The Eighth Edition Lung Cancer Stage Classification. CHEST Journal 2016, 151: 193-203. PMID: 27780786, DOI: 10.1016/j.chest.2016.10.010.Peer-Reviewed Original ResearchConceptsLung cancer stage classificationCancer stage classificationCohort of patientsAnatomic extentContemporary patientsLung cancerClinical studiesStage classificationEighth editionSpecific patientPatientsInternal validationCancerStage classification systemMultiple assessmentsClassification systemCohortCliniciansRole of Adjuvant Therapy for Node-Negative Lung Cancer Invading the Chest Wall
Gao SJ, Corso CD, Blasberg JD, Detterbeck FC, Boffa DJ, Decker RH, Kim AW. Role of Adjuvant Therapy for Node-Negative Lung Cancer Invading the Chest Wall. Clinical Lung Cancer 2016, 18: 169-177.e4. PMID: 27890561, DOI: 10.1016/j.cllc.2016.08.005.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerAdjuvant chemotherapyAdjuvant chemoradiation therapyUnderwent surgeryChemoradiation therapyChest wall resectionRadiation therapyMargin statusTumor sizeLung cancerWall resectionNode-negative lung cancerNational Cancer Data BaseCox proportional hazards modelMargin-positive patientsChest wall invasionCell lung cancerLog-rank testStage IIB tumorsProportional hazards modelAdjuvant therapyAdjuvant treatmentOverall survivalMultivariable analysisIIB tumors