2022
Thoracic 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 Letters
2021
Adjuvant 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
Invasive 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 patientsRobotic Thoracic Surgery
Schwartz G, Sancheti M, Blasberg J. Robotic Thoracic Surgery. Surgical Clinics Of North America 2020, 100: 237-248. PMID: 32169178, DOI: 10.1016/j.suc.2019.12.001.Peer-Reviewed Original ResearchConceptsThoracic surgical interventionRobotic thoracic surgeryLung resectionMediastinal tumorMajor anatomic structuresSurgical managementSurgical interventionThoracic incisionMeticulous dissectionThoracic surgeryImproved outcomesPathologic conditionsRobotic approachAnatomic regionsInvasive surgeryBenefits translateAnatomic structuresSurgeryDissectionOutcomesMorbidityResectionPatientsTumorsChest
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 diseaseShort Tandem Repeats Define a Gestational Origin for Metastatic Choriocarcinoma
Brown K, Homer R, Baine M, Blasberg JD. Short Tandem Repeats Define a Gestational Origin for Metastatic Choriocarcinoma. The Annals Of Thoracic Surgery 2019, 108: e115-e117. PMID: 30685255, DOI: 10.1016/j.athoracsur.2018.12.038.Peer-Reviewed Original ResearchConceptsPlacenta accretaSpontaneous hemothoraxGestational choriocarcinomaLower lobe massMetastatic gestational choriocarcinomaHealthy female patientsAdjuvant therapyMetastatic choriocarcinomaSurgical explorationChief complaintFemale patientsOutside hospitalRare consequenceUnreported causeGestational originClinical implicationsChoriocarcinomaAccretaHemothoraxResectionPatientsPrognosisHospitalShortnessTherapy
2018
Identifying Drivers of Multiple Readmissions After Pulmonary Lobectomy
Jean RA, Chiu AS, Hoag JR, Blasberg JD, Boffa DJ, Detterbeck FC, Kim AW. Identifying Drivers of Multiple Readmissions After Pulmonary Lobectomy. The Annals Of Thoracic Surgery 2018, 107: 947-953. PMID: 30336117, DOI: 10.1016/j.athoracsur.2018.08.070.Peer-Reviewed Original ResearchConceptsPulmonary lobectomyMultiple readmissionsSecond readmissionFirst readmissionIndex hospitalizationPostoperative infectionLung cancerPrimary diagnosisHeart diseaseClinical Classification Software codesNationwide Readmissions DatabaseTime of readmissionPostoperative arrhythmiasPostoperative complicationsPostoperative sepsisPerioperative periodPostoperative periodClinical factorsReadmissionLobectomyPatientsStudy periodImportant markerDiagnosisHealthcare qualityDelayed discharge does not decrease the cost of readmission after pulmonary lobectomy
Jean RA, Chiu AS, Boffa DJ, Detterbeck FC, Kim AW, Blasberg JD. Delayed discharge does not decrease the cost of readmission after pulmonary lobectomy. Surgery 2018, 164: 1294-1299. PMID: 30064733, DOI: 10.1016/j.surg.2018.05.049.Peer-Reviewed Original ResearchConceptsRisk-adjusted readmission ratesReadmission ratesLate dischargeDischarge groupPulmonary lobectomyCostly readmissionsLung cancerHospital costsOverall health care utilizationExcess health care costsRoutine dischargeCosts of readmissionIndex hospital costsLate discharge groupRoutine discharge groupPatients 65 yearsNationwide Readmissions DatabaseHospital day 1Hospital day 4Health care utilizationCases of lobectomyHealth care costsIndex hospitalHospital durationCare utilizationDefining the learning curve in robot-assisted thoracoscopic lobectomy
Arnold BN, Thomas DC, Bhatnagar V, Blasberg JD, Wang Z, Boffa DJ, Detterbeck FC, Kim AW. Defining the learning curve in robot-assisted thoracoscopic lobectomy. Surgery 2018, 165: 450-454. PMID: 30061043, DOI: 10.1016/j.surg.2018.06.011.Peer-Reviewed Original ResearchConceptsLength of stayRobot-assisted thoracoscopic lobectomyChest tube durationThoracoscopic lobectomyPostoperative complicationsTube durationBlood lossLearning curveSignificant differencesCumulative sum analysisPhase 1Complication ratePatient demographicsPulmonary lobectomySingle institutionLobectomyRATS lobectomySafe approachStayCase 1Cases 23Operating timeComorbiditiesComplicationsFurther studiesRobotic-Assisted Lobectomies in the National Cancer Database
Arnold BN, Thomas DC, Narayan R, Blasberg JD, Detterbeck FC, Boffa DJ, Kim AW. Robotic-Assisted Lobectomies in the National Cancer Database. Journal Of The American College Of Surgeons 2018, 226: 1052-1062.e15. PMID: 29574177, DOI: 10.1016/j.jamcollsurg.2018.03.023.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseRobotic lobectomyLung cancerCancer DatabaseOutcomes of patientsPropensity-matched analysisThoracoscopic surgery lobectomyExperienced hospitalsOverall conversion ratePerioperative morbidityPrimary outcomePatient selectionAttendant sequelaeOpen procedureLobectomyAssisted LobectomyHigh mortalityHospitalPatientsMortalityIndividual hospitalsRate of conversionSignificant differencesYears of experienceOutcomesTiming and Risk Factors Associated With Venous Thromboembolism After Lung Cancer Resection
Thomas DC, Arnold BN, Hoag JR, Salazar MC, Detterbeck FC, Boffa DJ, Kim AW, Blasberg JD. Timing and Risk Factors Associated With Venous Thromboembolism After Lung Cancer Resection. The Annals Of Thoracic Surgery 2018, 105: 1469-1475. PMID: 29501644, DOI: 10.1016/j.athoracsur.2018.01.072.Peer-Reviewed Original ResearchConceptsPostdischarge venous thromboembolismVenous thromboembolismHospital dischargeOperative timeRisk factorsPostdischarge prophylaxisVTE eventsMultivariable analysisLung cancerNational Surgical Quality Improvement Program databaseQuality Improvement Program databaseExtended VTE prophylaxisLung cancer resectionImprovement Program databaseShorter operative timeLengthy resectionsVTE prophylaxisAnatomic resectionClinical characteristicsInvasive resectionLung resectionOlder patientsOpen resectionCancer resectionIndependent predictorsPrimary Salivary Type Lung Cancers in the National Cancer Database
Resio BJ, Chiu AS, Hoag J, Dhanasopon AP, Blasberg JD, Boffa DJ. Primary Salivary Type Lung Cancers in the National Cancer Database. The Annals Of Thoracic Surgery 2018, 105: 1633-1639. PMID: 29486180, DOI: 10.1016/j.athoracsur.2018.01.055.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedCarcinoma, Adenoid CysticCarcinoma, MucoepidermoidConfidence IntervalsDatabases, FactualFemaleFollow-Up StudiesHumansLung NeoplasmsMaleMiddle AgedNeoplasm InvasivenessNeoplasm StagingPneumonectomyProportional Hazards ModelsRetrospective StudiesRisk AssessmentSalivary Gland NeoplasmsSurvival AnalysisConceptsNational Cancer DatabaseAdenoid cystic carcinomaMucoepidermoid carcinomaLung cancerCancer DatabaseMEC patientsACC patientsMortality riskMultivariable Cox proportional hazards regression modelsCox proportional hazards regression modelProportional hazards regression modelsAdjusted mortality riskPulmonary mucoepidermoid carcinomaLymph node metastasisPrimary lung tumorsIncomplete tumor resectionRisk of deathHazards regression modelsHigh tumor gradeOverall prognosisPrimary lungPulmonary malignancyWedge resectionNode metastasisDistant metastasis
2017
Fate of Pneumonectomy Patients Variably Captured by Non-Small Cell Lung Cancer Staging System
Dhanasopon AP, Salazar MC, Hoag JR, Rosen JE, Kim AW, Detterbeck FC, Blasberg JD, Boffa DJ. Fate of Pneumonectomy Patients Variably Captured by Non-Small Cell Lung Cancer Staging System. The Annals Of Thoracic Surgery 2017, 104: 1829-1836. PMID: 29074151, DOI: 10.1016/j.athoracsur.2017.06.073.Peer-Reviewed Original ResearchConceptsLung cancer staging systemCancer (AJCC) staging systemPneumonectomy patientsLung cancerMortality riskStage IStaging systemLobectomy patientsCox modelNon-small cell lung cancerMultivariable Cox modelNational Cancer DatabaseTreatment-naive patientsOverall survival curvesCell lung cancerLung cancer patientsBenefits of treatmentHigher mortality riskStage-specific survivalRight pneumonectomyLeft pneumonectomyCancer patientsCancer DatabaseInclusion criteriaPneumonectomyThe Significance of Upfront Knowledge of N2 Disease in Non‐small Cell Lung Cancer
Thomas DC, Arnold BN, Rosen JE, Salazar MC, Detterbeck FC, Blasberg JD, Boffa DJ, Kim AW. The Significance of Upfront Knowledge of N2 Disease in Non‐small Cell Lung Cancer. World Journal Of Surgery 2017, 42: 161-171. PMID: 28799084, DOI: 10.1007/s00268-017-4165-6.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerUnsuspected N2 diseaseIII-N2 non-small cell lung cancerN2 diseaseCell lung cancerSurgical resectionAdjuvant chemotherapyAdjuvant therapyOverall survivalPathologic stageLung cancerMultivariate analysisCurative-intent surgical resectionStage IIIA NSCLCHigher comorbidity scoreNational Cancer DatabaseIndependent risk factorKaplan-Meier analysisCN2 diseaseIIIA NSCLCComorbidity scoreCancer DatabaseRisk factorsRetrospective analysisRadiation therapyEffectiveness 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 therapyPatientsTherapyCancerNonagenariansTreatmentSurvivalValidating the Thoracic Revised Cardiac Risk Index Following Lung Resection
Thomas DC, Blasberg JD, Arnold BN, Rosen JE, Salazar MC, Detterbeck FC, Boffa DJ, Kim AW. Validating the Thoracic Revised Cardiac Risk Index Following Lung Resection. The Annals Of Thoracic Surgery 2017, 104: 389-394. PMID: 28499655, DOI: 10.1016/j.athoracsur.2017.02.006.Peer-Reviewed Original ResearchConceptsAdditional cardiac evaluationIschemic heart diseaseLarger multi-institutional datasetsCardiac complicationsLung resectionRenal comorbiditiesCardiac evaluationCerebrovascular diseaseHeart diseaseRisk factorsMulti-institutional datasetSurgeons National Surgical Quality Improvement Program datasetNational Surgical Quality Improvement Program datasetCardiac complication ratesMajor cardiac complicationsPreoperative risk factorsUnderwent pneumonectomyCardiac indexComplication ratePrimary outcomeRisk classesMalignant diseaseOpen procedureAmerican CollegeHigh riskAssociation of Delayed Adjuvant Chemotherapy With Survival After Lung Cancer Surgery
Salazar MC, Rosen JE, Wang Z, Arnold BN, Thomas DC, Herbst RS, Kim AW, Detterbeck FC, Blasberg JD, Boffa DJ. Association of Delayed Adjuvant Chemotherapy With Survival After Lung Cancer Surgery. JAMA Oncology 2017, 3: 610-619. PMID: 28056112, PMCID: PMC5824207, DOI: 10.1001/jamaoncol.2016.5829.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, Non-Small-Cell LungChemotherapy, AdjuvantDrug Administration ScheduleFemaleHumansLung NeoplasmsMaleMiddle AgedNeoplasm GradingNeoplasm StagingPneumonectomyPostoperative PeriodProportional Hazards ModelsRetrospective StudiesTreatment OutcomeUnited StatesConceptsLung cancer surgeryCell lung cancer resectionAdjuvant chemotherapyLung cancer resectionNational Cancer DatabaseCell lung cancerLower mortality riskCancer surgeryCox modelCancer resectionLung cancerCancer DatabaseMortality riskCell lung cancer surgeryHospital-based tumor registryIncident lung cancer casesPostoperative multiagent chemotherapyInitiation of chemotherapyTreatment-naive patientsPropensity-matched pairsRetrospective observational studyLymph node metastasisLung cancer casesChemotherapy initiationPostoperative chemotherapy
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 descriptorRole 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