title: Primary bile duct cancer and von Recklinghausen disease.
mesh_terms: D000230:Adenocarcinoma; D000328:Adult; D001650:Bile Duct Neoplasms; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary; D009456:Neurofibromatosis 1