title: Benign liver tumor in a patient taking contraceptive steroids.
mesh_terms: D000328:Adult; D006528:Carcinoma, Hepatocellular / Q000139:chemically induced*; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000139:chemically induced*; D009640:Norethindrone / Q000009:adverse effects*
chemical_list: D009640:Norethindrone