title: Impact of immediate postoperative death on the estimation of a survival benefit from postoperative radiation therapy for cancer of the gallbladder.
authors.forename: James B
authors.initials: JB
authors.lastname: Yu
authors.forename: Daniel
authors.initials: D
authors.lastname: Zelterman
authors.forename: Roy H
authors.initials: RH
authors.lastname: Decker
authors.forename: Jonathan P S
authors.initials: JP
authors.lastname: Knisely
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002763:Cholecystectomy / Q000706:statistics & numerical data*; D003658:Decision Making, Computer-Assisted; D005260:Female; D005706:Gallbladder Neoplasms / Q000401:mortality* / Q000473:pathology / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009367:Neoplasm Staging; D011237:Predictive Value of Tests; D016016:Proportional Hazards Models; D018714:Radiotherapy, Adjuvant; D016019:Survival Analysis