title: Real-time ultrasonographic demonstration of vascular invasion by hepatocellular carcinoma.
mesh_terms: D000293:Adolescent; D001808:Blood Vessels; D006528:Carcinoma, Hepatocellular / Q000175:diagnosis*; D006801:Humans; D008113:Liver Neoplasms / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D011169:Portal Vein; D014463:Ultrasonography; D014652:Vascular Diseases / Q000175:diagnosis*