title: [Epithelial expansion of bile duct carcinoma (author's transl)].
mesh_terms: D000368:Aged; D001650:Bile Duct Neoplasms / Q000473:pathology*; D004848:Epithelium / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness / Q000473:pathology*