title: Tumors of biliary epithelium and ulcerative colitis.
mesh_terms: D002759:Adenoma, Bile Duct / Q000209:etiology* / Q000473:pathology; D000328:Adult; D001650:Bile Duct Neoplasms / Q000209:etiology* / Q000473:pathology; D003093:Colitis, Ulcerative / Q000150:complications*; D005260:Female; D005706:Gallbladder Neoplasms / Q000209:etiology* / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged