title: Clinicopathologic study of seventy patients with carcinoma of the biliary tract.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology / Q000601:surgery*; D000328:Adult; D000368:Aged; D014670:Ampulla of Vater; D001650:Bile Duct Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000601:surgery*; D002277:Carcinoma / Q000473:pathology / Q000601:surgery*; D003138:Common Bile Duct Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged