2021
Rates of invasive disease and outcomes in NSCLC patients with biopsy suggestive of carcinoma in situ
Talcott WJ, Miccio JA, Park HS, White AA, Kozono DE, Singer L, Sands JM, Sholl LM, Detterbeck FC, Mak RH, Decker RH, Kann BH. Rates of invasive disease and outcomes in NSCLC patients with biopsy suggestive of carcinoma in situ. Lung Cancer 2021, 157: 17-20. PMID: 34052704, DOI: 10.1016/j.lungcan.2021.05.028.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerBiopsy suggestiveInvasive diseaseSitu diseaseSquamous histologySurvival outcomesTumor sizeObserved cohortNational Cancer DatabaseExcellent survival outcomesHalf of patientsCell lung cancerMultivariable logistic regressionResection of lesionsAdenocarcinoma histologyDefinitive therapyNSCLC patientsOverall survivalLocal therapyRisk stratificationLung cancerCancer DatabaseResectionSurgical pathologyLesion size
2015
Addition of radiotherapy to adjuvant chemotherapy is associated with improved overall survival in resected pancreatic adenocarcinoma: An analysis of the National Cancer Data Base
Rutter CE, Park HS, Corso CD, Lester-Coll NH, Mancini BR, Yeboa DN, Johung KL. Addition of radiotherapy to adjuvant chemotherapy is associated with improved overall survival in resected pancreatic adenocarcinoma: An analysis of the National Cancer Data Base. Cancer 2015, 121: 4141-4149. PMID: 26280559, DOI: 10.1002/cncr.29652.Peer-Reviewed Original ResearchConceptsImproved overall survivalNational Cancer Data BaseOverall survivalPancreatic adenocarcinomaAdjuvant chemotherapyR0 resectionR1 resectionPN1 diseaseNational cohortSubset analysisPropensity scoreAddition of radiotherapyMedian radiotherapy doseOutcome of chemotherapyLarge national cohortPT1-3N0CRT groupClinicopathologic characteristicsCRT patientsRandomized comparisonCox regressionRadiotherapy doseOptimal treatmentPancreatic cancerUnivariate analysis
2014
Prophylactic Cranial Irradiation for Patients With Locally Advanced Non–Small-Cell Lung Cancer at High Risk for Brain Metastases
Park HS, Decker RH, Wilson LD, Yu JB. Prophylactic Cranial Irradiation for Patients With Locally Advanced Non–Small-Cell Lung Cancer at High Risk for Brain Metastases. Clinical Lung Cancer 2014, 16: 292-297. PMID: 25499149, DOI: 10.1016/j.cllc.2014.11.005.Peer-Reviewed Original ResearchConceptsProphylactic cranial irradiationLA-NSCLC patientsSequential landmark analysesCell lung cancerBrain metastasesHigh riskCranial irradiationSurvival benefitLung cancerLandmark analysisEffect of PCICox proportional hazards regressionNon-PCI patientsOverall survival benefitEnd Results (SEER) databaseHigh-risk patientsStage III NSCLCGroup of patientsProportional hazards regressionLog-rank testSignificant survival differenceImmortal time biasPopulation-based analysisAdult patientsOnly patients
2012
Immortal Time Bias: A Frequently Unrecognized Threat to Validity in the Evaluation of Postoperative Radiotherapy
Park HS, Gross CP, Makarov DV, Yu JB. Immortal Time Bias: A Frequently Unrecognized Threat to Validity in the Evaluation of Postoperative Radiotherapy. International Journal Of Radiation Oncology • Biology • Physics 2012, 83: 1365-1373. PMID: 22342097, DOI: 10.1016/j.ijrobp.2011.10.025.Peer-Reviewed Original ResearchConceptsSequential landmark analysesPostoperative radiotherapyImmortal time biasLandmark analysisTumor typesEnd Results (SEER) databaseObservational cohort studyTime biasObservation cohortCohort studyHazard ratioProspective trialImproved survivalResults databaseConditional survivalRoutine useSurvivalApparent benefitRadiotherapyCohort