title: [A case of spontaneous gas formation in hepatocellular carcinoma (HCC)].
mesh_terms: D006528:Carcinoma, Hepatocellular / Q000473:pathology*; D005740:Gases; D006801:Humans; D008099:Liver / Q000000981:diagnostic imaging / Q000473:pathology*; D008113:Liver Neoplasms / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009336:Necrosis; D011859:Radiography; D014463:Ultrasonography
chemical_list: D005740:Gases