title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 20-1979.
mesh_terms: D000328:Adult; D006528:Carcinoma, Hepatocellular / Q000175:diagnosis; D003937:Diagnosis, Differential; D006394:Hemangiosarcoma / Q000150:complications / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008099:Liver / Q000473:pathology; D008113:Liver Neoplasms / Q000150:complications / Q000175:diagnosis / Q000473:pathology*; D008297:Male; D011086:Polycythemia / Q000150:complications / Q000175:diagnosis