CARCINOMAS OF THE EXTRAHEPATIC BILIARY SYSTEM.
D014670:Ampulla of Vater; D001650:Bile Duct Neoplasms; D017734:Bile Ducts, Extrahepatic; D005706:Gallbladder Neoplasms; D006801:Humans; D009369:Neoplasms / Q000453:epidemiology* / Q000209:etiology*
BILE DUCT NEOPLASMS; GALLBLADDER NEOPLASMS; NEOPLASM ETIOLOGY; NEOPLASM STATISTICS; VATER'S AMPULLA