Evaluation of retroperitoneal portasystemic collaterals by intravenous DSA.
D003097:Collateral Circulation; D006501:Hepatic Encephalopathy / Q000000981:diagnostic imaging*; D006801:Humans; D008104:Liver Cirrhosis, Alcoholic / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011168:Portal System / Q000000981:diagnostic imaging*; D011859:Radiography; D013382:Subtraction Technique