title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 15-1981.
mesh_terms: D002759:Adenoma, Bile Duct / Q000175:diagnosis / Q000209:etiology / Q000473:pathology*; D000368:Aged; D001650:Bile Duct Neoplasms / Q000175:diagnosis / Q000209:etiology / Q000473:pathology*; D001653:Bile Ducts, Intrahepatic; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D009381:Neoplasms, Radiation-Induced / Q000175:diagnosis / Q000209:etiology / Q000473:pathology*; D013911:Thorium Dioxide / Q000009:adverse effects*
chemical_list: D013911:Thorium Dioxide