2022
Factors Associated With In-Hospital Mortality in Mycosis Fungoides Patients: A Multivariable Analysis
King ALO, Lee V, Mirza FN, Jairam V, Yang DX, Yu JB, Park HS, Girardi M, Wilson LD, An Y, Wilson L. Factors Associated With In-Hospital Mortality in Mycosis Fungoides Patients: A Multivariable Analysis. Cureus 2022, 14: e28043. PMID: 36120198, PMCID: PMC9474264, DOI: 10.7759/cureus.28043.Peer-Reviewed Original ResearchCutaneous T-cell lymphomaNationwide Emergency Department SampleHospital mortalityMycosis fungoides patientsMycosis fungoidesMF patientsBackground Mycosis fungoidesIn-Hospital MortalitySpecific clinical factorsMultivariable logistic regressionEmergency Department SampleT-cell lymphomaUnderstanding of patientsSézary syndromeClinical factorsIndolent courseMultivariable analysisSurvival outcomesFemale sexHospital characteristicsAdvanced ageEmpirical managementPatientsMF casesGreater riskNonadherence to Multimodality Cancer Treatment Guidelines in the United States
Tchelebi LT, Shen B, Wang M, Potters L, Herman J, Boffa D, Segel JE, Park HS, Zaorsky NG. Nonadherence to Multimodality Cancer Treatment Guidelines in the United States. Advances In Radiation Oncology 2022, 7: 100938. PMID: 35469182, PMCID: PMC9034283, DOI: 10.1016/j.adro.2022.100938.Peer-Reviewed Original ResearchGuideline-concordant treatmentAnal cancerMultimodality treatmentRectal cancerCervical cancerLung cancerAdvanced non-small cell lung cancerNasopharynx cancerNon-small cell lung cancerNonmetastatic anal cancerNational Cancer DatabasePercent of patientsAdvanced cervical cancerCancer treatment guidelinesCell lung cancerMultivariable logistic regressionPrimary tumor siteLow-volume facilitiesTreatment guidelinesComorbid conditionsCancer DatabaseOdds ratioNational guidelinesPatientsConfounding variablesHypofractionated vs . standard radiotherapy for locally advanced limited-stage small cell lung cancer
Saeed NA, Jin L, Sasse AW, Amini A, Verma V, Lester-Coll NH, Chen PH, Decker RH, Park HS. Hypofractionated vs . standard radiotherapy for locally advanced limited-stage small cell lung cancer. Journal Of Thoracic Disease 2022, 0: 0-0. PMID: 35280466, PMCID: PMC8902118, DOI: 10.21037/jtd-21-1566.Peer-Reviewed Original ResearchLimited stage small cell lung cancerSmall cell lung cancerCell lung cancerOverall survivalStandard radiotherapyLung cancerHypofractionated radiotherapyConcurrent chemotherapyComparable overall survivalMedian overall survivalMultivariable Cox regressionPrimary stage IINational Cancer DatabaseRetrospective cohort studyMultivariable logistic regressionLog-rank testChemotherapy timingCohort studyPatient characteristicsMultivariable analysisCox regressionWhole cohortCancer DatabasePractice patternsChemotherapy
2021
Association of Heart and Lung Radiation Dose With COVID-Related Mortality
Talcott W, Peters G, Yu J, Park H. Association of Heart and Lung Radiation Dose With COVID-Related Mortality. International Journal Of Radiation Oncology • Biology • Physics 2021, 111: e424-e425. PMCID: PMC8536215, DOI: 10.1016/j.ijrobp.2021.07.1212.Peer-Reviewed Original ResearchLung radiation doseCOVID-19 infectionCOVID-related mortalityStudy cohortRadiation therapyOdds ratioRadiation dosePoor COVID-19 outcomesCOVID-19 positive patientsDosimetric parametersNon-metastatic patientsMultivariable logistic regressionConfidence intervalsNormal lung tissuesCOVID-19 outcomesLung radiation therapyCOVID-19MATERIAL/METHODSPrior radiation doseCardiovascular sequelaeEvaluable patientsHeart dosesHeart V5Lung V5Association of heartPost-operative radiation therapy for non-small cell lung cancer: A comparison of radiation therapy techniques
Jairam V, Pasha S, Soulos PR, Gross CP, Yu JB, Park HS, Decker RH. Post-operative radiation therapy for non-small cell lung cancer: A comparison of radiation therapy techniques. Lung Cancer 2021, 161: 171-179. PMID: 34607209, DOI: 10.1016/j.lungcan.2021.09.010.Peer-Reviewed Original ResearchConceptsPost-operative radiation therapyNon-small cell lung cancerCell lung cancerRadiation therapyPropensity-score matchingLA-NSCLCCardiac toxicityLung cancerAdvanced non-small cell lung cancerClinical risk factorsProportion of patientsMultivariable logistic regressionPrior treatment historyPredictors of receiptUse of IMRTConformal radiation therapyLong-term toxicityChi-squared testRadiation therapy techniquesRadiotherapy treatment techniquesUpfront surgeryElderly patientsTreatment toxicityMean ageMedicare databaseRates 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 sizeAdoption of consolidative durvalumab among patients with locally advanced non-small cell lung cancer.
Jairam V, Pasha S, Soulos P, Goldberg S, Yu J, Decker R, Gross C, Park H. Adoption of consolidative durvalumab among patients with locally advanced non-small cell lung cancer. Journal Of Clinical Oncology 2021, 39: e20550-e20550. DOI: 10.1200/jco.2021.39.15_suppl.e20550.Peer-Reviewed Original ResearchNon-small cell lung cancerCell lung cancerTumor characteristicsLung cancerFDA approvalConsolidative durvalumabPatient characteristicsUnresectable stage III non-small cell lung cancerStage III non-small cell lung cancerAdvanced non-small cell lung cancerFirst-line platinum-doublet chemotherapyStudy periodFlatiron Health databasePlatinum-doublet chemotherapyGuideline-concordant carePD-L1 statusMultivariable logistic regressionCochran-Armitage testDe-identified databaseChi-square testDefinitive chemoradiationDoublet chemotherapyEligible patientsPACIFIC trialSurgery details
2020
Nationwide Patterns of Pathologic Fractures Among Patients Hospitalized With Bone Metastases
Jairam V, Lee V, Yu JB, Park HS. Nationwide Patterns of Pathologic Fractures Among Patients Hospitalized With Bone Metastases. American Journal Of Clinical Oncology 2020, 43: 720-726. PMID: 32694296, DOI: 10.1097/coc.0000000000000737.Peer-Reviewed Original ResearchConceptsPathologic fractureBone metastasesMultiple myelomaUtilization Project National Inpatient SampleLonger inpatient staysMultivariable logistic regressionNational Inpatient SampleIntrahepatic bile ductsRenal pelvis cancerRenal cell carcinomaProphylactic stabilizationHospital admissionPrimary cancerBile ductInpatient stayPelvis cancerCell carcinomaInpatient SamplePrimary diagnosisRisk factorsBaseline differencesOutpatient monitoringHigh riskHealthcare costsPatientsNationwide patterns of hemorrhagic stroke among patients hospitalized with brain metastases: influence of primary cancer diagnosis and anticoagulation
Lee V, Jairam V, Yu JB, Park HS. Nationwide patterns of hemorrhagic stroke among patients hospitalized with brain metastases: influence of primary cancer diagnosis and anticoagulation. Scientific Reports 2020, 10: 10084. PMID: 32572113, PMCID: PMC7308286, DOI: 10.1038/s41598-020-67316-8.Peer-Reviewed Original ResearchConceptsBrain metastasesLong-term anticoagulationIntracerebral hemorrhageKidney cancerHigh riskUtilization Project Nationwide Inpatient SampleDiagnosis of ICHHospital-related characteristicsRisks of anticoagulationPrimary cancer diagnosisMultivariable logistic regressionNationwide Inpatient SampleLonger lengthDiagnosis of melanomaMann-Whitney UHemorrhagic strokeNeurologic dysfunctionConcurrent diagnosisSignificant morbiditySecondary diagnosisInpatient SampleBaseline differencesDecreased qualityAnticoagulationHealthcare costs
2017
Post-operative radiotherapy is associated with improved survival in esophageal cancer with positive surgical margins
Gao SJ, Park HS, Corso CD, Rutter CE, Khan SA, Johung KL. Post-operative radiotherapy is associated with improved survival in esophageal cancer with positive surgical margins. Journal Of Gastrointestinal Oncology 2017, 8: 953-961. PMID: 29299354, PMCID: PMC5750177, DOI: 10.21037/jgo.2017.08.12.Peer-Reviewed Original ResearchPost-operative radiotherapyClinical stage INational Cancer Data BaseEarly-stage esophageal cancerOverall survivalPositive surgical marginsPositive marginsUpfront esophagectomyEsophageal cancerStage IImproved survivalSurgical marginsMultivariable Cox regression analysisImproved overall survivalReceipt of chemotherapyCox regression analysisMultivariable logistic regressionEsophageal cancer patientsLog-rank testAdjuvant chemotherapyOS benefitPostoperative chemotherapyPN0 diseaseMultivariable analysisCancer patientsAdjuvant Therapy Use and Survival in Stage II Endometrial Cancer
Lester-Coll NH, Young MR, Park HS, Ratner ES, Litkouhi B, Damast S. Adjuvant Therapy Use and Survival in Stage II Endometrial Cancer. International Journal Of Gynecological Cancer 2017, 27: 1904-1911. PMID: 28763364, DOI: 10.1097/igc.0000000000001095.Peer-Reviewed Original ResearchConceptsReceipt of chemotherapyEndometrioid endometrial carcinomaNational Cancer Data BaseImproved overall survivalRole of chemotherapyOverall survivalAdjuvant chemotherapyAdjuvant treatmentStage II endometrial cancerCox proportional hazards regressionPropensity scoreAdjuvant therapy useGrade 3 diseaseStage II patientsProportional hazards regressionWorse overall survivalMultivariable logistic regressionKaplan-Meier estimatesLog-rank testAdjuvant radiotherapyExcellent prognosisLymphovascular invasionObservational cohortEEC patientsEndometrial cancerUse of Alternative Medicine for Cancer and Its Impact on Survival
Johnson SB, Park HS, Gross CP, Yu JB. Use of Alternative Medicine for Cancer and Its Impact on Survival. Journal Of The National Cancer Institute 2017, 110: djx145. PMID: 28922780, DOI: 10.1093/jnci/djx145.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsBreast NeoplasmsChoice BehaviorColorectal NeoplasmsComorbidityComplementary TherapiesEducational StatusFemaleHumansIncomeLung NeoplasmsMaleNeoplasm StagingNorthwestern United StatesPacific StatesPatient PreferenceProstatic NeoplasmsResidence CharacteristicsSex FactorsSurvival RateConceptsConventional cancer treatmentsAlternative medicineColorectal cancerCox proportional hazards regressionGreater riskLower comorbidity scoreMultivariable logistic regressionProportional hazards regressionPatterns of utilizationHigher socioeconomic statusNonmetastatic breastComorbidity scoreHormone therapyCurable cancerHazards regressionLung cancerAM useAnticancer treatmentStage IICancerIndependent covariatesLogistic regressionPatientsCancer treatmentSocioeconomic status
2016
Postoperative Radiotherapy Patterns of Care and Survival Implications for Medulloblastoma in Young Children
Kann BH, Park HS, Lester-Coll NH, Yeboa DN, Benitez V, Khan AJ, Bindra RS, Marks AM, Roberts KB. Postoperative Radiotherapy Patterns of Care and Survival Implications for Medulloblastoma in Young Children. JAMA Oncology 2016, 2: 1574-1581. PMID: 27491009, DOI: 10.1001/jamaoncol.2016.2547.Peer-Reviewed Original ResearchConceptsPostoperative radiotherapyOverall survivalMultivariable logistic regressionNational Cancer Data BaseLogistic regressionAdjuvant chemotherapy strategyLow facility volumeNational treatment patternsMultivariable Cox regressionLong-term morbidityYear of diagnosisDay of surgeryKaplan-Meier analysisNational database analysisPoor overall survivalLog-rank testYoung childrenAge 3Adjuvant chemotherapyRadiotherapy patternsRadiotherapy utilizationWorse survivalDistant metastasisMultivariable analysisTreatment patternsTrends in stereotactic body radiation therapy for stage I small cell lung cancer
Stahl JM, Corso CD, Verma V, Park HS, Nath SK, Husain ZA, Simone CB, Kim AW, Decker RH. Trends in stereotactic body radiation therapy for stage I small cell lung cancer. Lung Cancer 2016, 103: 11-16. PMID: 28024690, DOI: 10.1016/j.lungcan.2016.11.009.Peer-Reviewed Original ResearchConceptsStage I small cell lung cancerNational Cancer Data BaseSmall cell lung cancerCell lung cancerMultivariable logistic regressionSBRT utilizationLung cancerDose prescriptionLogistic regressionStereotactic body radiation therapyInitial treatment allocationClinical stage IDefinitive surgical managementAdministration of chemotherapyKaplan-Meier methodBody radiation therapyRadiation therapy utilizationSBRT useChemotherapy useInoperable patientsMedian survivalChemotherapy administrationOverall survivalSurgical managementTherapy utilizationAssociation between access to accelerated partial breast irradiation and use of adjuvant radiotherapy
Wang EH, Park HS, Rutter CE, Gross CP, Soulos PR, Yu JB, Evans SB. Association between access to accelerated partial breast irradiation and use of adjuvant radiotherapy. Cancer 2016, 123: 502-511. PMID: 27657353, DOI: 10.1002/cncr.30356.Peer-Reviewed Original ResearchConceptsBreast-conserving surgeryInvasive cancerDuctal carcinomaNational Cancer Data BaseEarly-stage breast cancerReceipt of radiotherapySubgroup multivariable analysisSubset of patientsMultivariable logistic regressionPartial breast irradiationOverall sampleRT receiptAdjuvant radiotherapyEligible patientsRT useMultivariable analysisRetrospective studyBreast irradiationBreast cancerIndependent factorsPatientsRadiotherapyCancerLogistic regressionAPBIAdjuvant chemotherapy and overall survival in adult medulloblastoma
Kann BH, Lester-Coll NH, Park HS, Yeboa DN, Kelly JR, Baehring JM, Becker KP, Yu JB, Bindra RS, Roberts KB. Adjuvant chemotherapy and overall survival in adult medulloblastoma. Neuro-Oncology 2016, 19: 259-269. PMID: 27540083, PMCID: PMC5464064, DOI: 10.1093/neuonc/now150.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsCerebellar NeoplasmsChemoradiotherapy, AdjuvantChemotherapy, AdjuvantCraniospinal IrradiationFemaleFollow-Up StudiesHumansMaleMedulloblastomaMiddle AgedNeoplasm StagingPrognosisRadiotherapy, AdjuvantSurvival RateYoung AdultConceptsGy craniospinal irradiationCraniospinal irradiationOverall survivalM0 patientsAdjuvant chemotherapyAdult MBMultivariable Cox proportional hazard modelingHigh-dose craniospinal irradiationNational Cancer Data BaseCox proportional hazard modelingSuperior overall survivalPlanned subgroup analysisMultivariable logistic regressionNational database analysisLog-rank testProportional hazard modelingPediatric medulloblastoma patientsCSI dosesPostoperative chemotherapySurgical resectionSurvival impactYear OSMultivariable analysisSubgroup analysisRisk factorsConcurrent chemoradiotherapy versus radiotherapy alone for “biopsy‐only” glioblastoma multiforme
Kole AJ, Park HS, Yeboa DN, Rutter CE, Corso CD, Aneja S, Lester-Coll NH, Mancini BR, Knisely JP, Yu JB. Concurrent chemoradiotherapy versus radiotherapy alone for “biopsy‐only” glioblastoma multiforme. Cancer 2016, 122: 2364-2370. PMID: 27172136, DOI: 10.1002/cncr.30063.Peer-Reviewed Original ResearchConceptsPropensity score-matched analysisConcurrent chemoradiotherapySignificant OS benefitOverall survivalGlioblastoma multiformeOS benefitUS National Cancer Data BaseMultivariable Cox proportional hazards regressionNational Cancer Data BaseCox proportional hazards regressionImproved overall survivalStandard postoperative therapyProportional hazards regressionMultivariable logistic regressionLog-rank testStandard of careChi-square testClinicopathologic predictorsPostoperative therapySurgical resectionImproved survivalMedian ageMultivariable analysisHazards regressionNational cohortPulmonary dose-volume predictors of radiation pneumonitis following stereotactic body radiation therapy
Harder EM, Park HS, Chen Z, Decker RH. Pulmonary dose-volume predictors of radiation pneumonitis following stereotactic body radiation therapy. Practical Radiation Oncology 2016, 6: e353-e359. PMID: 27156424, DOI: 10.1016/j.prro.2016.01.015.Peer-Reviewed Original ResearchConceptsMean lung doseStereotactic body radiation therapyRisk of gradeRadiation pneumonitisMultivariable logistic regressionBody radiation therapyDosimetric predictorsRadiation therapyMaximum doseLogistic regressionRP rateBest dosimetric predictorCardiac dosimetric parametersDose-volume predictorsPercent of lungVolume of lungGross tumor volumeBackward stepwise eliminationLung V10Lung doseMean doseTotal lungUnivariate analysisPulmonary volumesTumor volume
2015
Postoperative Radiation Therapy Is Associated With Improved Overall Survival in Incompletely Resected Stage II and III Non–Small-Cell Lung Cancer
Wang EH, Corso CD, Rutter CE, Park HS, Chen AB, Kim AW, Wilson LD, Decker RH, Yu JB. Postoperative Radiation Therapy Is Associated With Improved Overall Survival in Incompletely Resected Stage II and III Non–Small-Cell Lung Cancer. Journal Of Clinical Oncology 2015, 33: 2727-2734. PMID: 26101240, DOI: 10.1200/jco.2015.61.1517.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCarcinoma, Non-Small-Cell LungDatabases, FactualFemaleHumansKaplan-Meier EstimateLogistic ModelsLung NeoplasmsMaleMiddle AgedNeoplasm StagingNeoplasm, ResidualPneumonectomyRadiotherapy DosageRadiotherapy, AdjuvantRadiotherapy, ConformalRadiotherapy, Intensity-ModulatedRegistriesRetrospective StudiesTreatment OutcomeUnited StatesConceptsUse of PORTPostoperative radiotherapyOverall survivalNodal stageStage IIMultivariable analysisPatient populationLung cancerNon-small cell lung cancerOverall American Joint CommitteeNational Cancer Data BaseImproved overall survivalLower nodal stagePostoperative radiation therapyPositive surgical marginsAmerican Joint CommitteeCancer stage IICell lung cancerProportional hazards regressionMultivariable logistic regressionClinicopathologic covariatesChemotherapy receiptPerioperative mortalityOnly patientsSuch patientsPatients Selected for Definitive Concurrent Chemoradiation at High-volume Facilities Achieve Improved Survival in Stage III Non–Small-Cell Lung Cancer
Wang EH, Rutter CE, Corso CD, Decker RH, Wilson LD, Kim AW, Yu JB, Park HS. Patients Selected for Definitive Concurrent Chemoradiation at High-volume Facilities Achieve Improved Survival in Stage III Non–Small-Cell Lung Cancer. Journal Of Thoracic Oncology 2015, 10: 937-943. PMID: 25738221, DOI: 10.1097/jto.0000000000000519.Peer-Reviewed Original ResearchConceptsDefinitive concurrent chemoradiation therapyConcurrent chemoradiation therapyHigh-volume facilitiesNon-small cell lung cancerStage III NSCLC patientsCell lung cancerOverall survivalNSCLC patientsLung cancerStage III non-small cell lung cancerHigher Charlson-Deyo comorbidity scoresCharlson-Deyo comorbidity scoreNational Cancer Data BaseCox proportional hazards regressionFacility case volumeImproved overall survivalAdvanced nodal stageDefinitive concurrent chemoradiationKaplan-Meier analysisPopulation-based survivalMultivariable logistic regressionProportional hazards regressionRisk of deathIntensity-modulated radiotherapyAcademic affiliation