2021
Pan‐cancer analysis of prognostic metastatic phenotypes
Zaorsky NG, Wang X, Garrett SM, Lehrer EJ, Lin C, DeGraff DJ, Spratt DE, Trifiletti DM, Kishan AU, Showalter TN, Park HS, Yang JT, Chinchilli VM, Wang M. Pan‐cancer analysis of prognostic metastatic phenotypes. International Journal Of Cancer 2021, 150: 132-141. PMID: 34287840, PMCID: PMC8595638, DOI: 10.1002/ijc.33744.Peer-Reviewed Original ResearchConceptsLiver/lung metastasisLung metastasesOverall survivalMetastatic cancerConcordance indexCancer stage IV diseaseCox proportional hazards modelMetastatic phenotypeNational Cancer DatabaseStage IV diseaseEnd Results (SEER) databaseAmerican Joint CommitteeLong-term survivorsLatent class analysisProportional hazards modelStage IVANomogram modelResults databaseSurvival outcomesBetter prognosticationCancer DatabasePan-cancer analysisClinical trialsHazards modelJoint CommitteeEvaluation of head and neck soft tissue sarcoma 8th edition pathologic staging system and proposal of a novel stage grouping system
Lee NCJ, Eskander A, Miccio JA, Park HS, Shah C, Rutenberg M, Hosni A, Husain ZA. Evaluation of head and neck soft tissue sarcoma 8th edition pathologic staging system and proposal of a novel stage grouping system. Oral Oncology 2021, 114: 105137. PMID: 33422859, DOI: 10.1016/j.oraloncology.2020.105137.Peer-Reviewed Original ResearchConceptsNeck soft tissue sarcomasTumor size cutNational Cancer DatabaseSoft tissue sarcomasMultivariable analysisTissue sarcomasFive-year overall survivalNeoadjuvant therapy patientsT1-3 tumorsEnd Results (SEER) databaseAdjacent structuresEvaluation of headPaucity of dataNCDB cohortSEER cohortPrimary surgeryOverall survivalWorsened survivalAdverse prognosticatorPrognostic differencesResults databaseStaging systemT4 classificationTumor stageCancer Database
2020
Quantifying treatment selection bias effect on survival in comparative effectiveness research: findings from low-risk prostate cancer patients
Miccio JA, Talcott WJ, Jairam V, Park HS, Yu JB, Leapman MS, Johnson SB, King MT, Nguyen PL, Kann BH. Quantifying treatment selection bias effect on survival in comparative effectiveness research: findings from low-risk prostate cancer patients. Prostate Cancer And Prostatic Diseases 2020, 24: 414-422. PMID: 32989262, DOI: 10.1038/s41391-020-00291-3.Peer-Reviewed Original ResearchConceptsProstate cancer-specific survivalLow-risk prostate cancerExternal beam radiotherapyTreatment selection biasOverall survivalRadical prostatectomyProstate cancerOS differenceLow-risk prostate cancer patientsCancer-specific survivalEnd Results (SEER) databaseProstate cancer patientsClinical trial designEffectiveness researchComparative effectiveness researchPropensity-score matchingMethodsThe SurveillanceTreatment guidelinesResults databaseEntire cohortResultsA totalCancer patientsTreatment modalitiesNational registryPatient management
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
2009
Treatment patterns of aging Americans with differentiated thyroid cancer
Park HS, Roman SA, Sosa JA. Treatment patterns of aging Americans with differentiated thyroid cancer. Cancer 2009, 116: 20-30. PMID: 19908255, DOI: 10.1002/cncr.24717.Peer-Reviewed Original ResearchConceptsDifferentiated thyroid cancerElderly patientsTotal thyroidectomyRadioactive iodineYounger patientsThyroid cancerMultivariate analysisStage IV diseaseEnd Results (SEER) databaseCurrent practice guidelinesLong-term outcomesAge 65 yearsUse of thyroidectomyNonpapillary histologyRAI treatmentAdvanced diseaseWorse survivalImproved survivalPathologic characteristicsResults databaseTreatment patternsExtrathyroid extensionLarge tumorsPractice guidelinesPatients