Fig. 2
From: Clinical characteristics of hepatic Arterioportal shunts associated with hepatocellular carcinoma
Representative images of hepatic arteriogram showing different grades of A-P shunts. a Grade 0: A-P shunt was not observed. b Grade 1: enhancement of the VI segment of the portal vein in the right lobe of the liver. c Grade 2: enhancement of the right portal vein and portal vein tumor thrombus. d Grade 3: enhancement of right portal vein main branches and trunk, with ill-defined intra-luminal filling defect. A large number of disorganized arteries providing blood supply for the portal vein thrombus was observed