Some problems of biliary tract surgery.
D000328:Adult; D001650:Bile Duct Neoplasms / Q000601:surgery; D001660:Biliary Tract Diseases / Q000601:surgery; D001662:Biliary Tract Surgical Procedures; D006528:Carcinoma, Hepatocellular / Q000601:surgery; D005260:Female; D042882:Gallstones / Q000601:surgery; D006801:Humans; D008113:Liver Neoplasms; D008297:Male; D008875:Middle Aged