Gastrectomy and cancer of the gallbladder or biliary tract.
D000328:Adult; D001650:Bile Duct Neoplasms / Q000453:epidemiology*; D005706:Gallbladder Neoplasms / Q000453:epidemiology*; D005743:Gastrectomy / Q000009:adverse effects*; D006254:Hawaii; D006801:Humans; D007564:Japan / Q000208:ethnology; D008297:Male