title: Hepatocellular carcinoma. Current concepts of its etiology and a proposal for a clinical staging system.
mesh_terms: D006528:Carcinoma, Hepatocellular / Q000209:etiology / Q000473:pathology; D005260:Female; D006509:Hepatitis B / Q000150:complications; D006801:Humans; D008113:Liver Neoplasms / Q000209:etiology / Q000473:pathology; D008297:Male; D000509:alpha-Fetoproteins / Q000378:metabolism
chemical_list: D000509:alpha-Fetoproteins