title: Primary hepatoma 31 years after injection of thorotrast.
mesh_terms: D001345:Autoradiography; D006528:Carcinoma, Hepatocellular / Q000139:chemically induced*; D006801:Humans; D007275:Injections, Intravenous; D008113:Liver Neoplasms; D008297:Male; D008875:Middle Aged; D013911:Thorium Dioxide / Q000009:adverse effects*
chemical_list: D013911:Thorium Dioxide