Division of Interventional Radiology;
Department of Radiology;
Institute of Liver and Biliary Sciences;
Division of Diagnostic Radiology;
Department of Radiology;
Institute of Liver and Biliary Sciences;
Extrahepatic; portal; venous; obstruction; Portal; cavernoma; Portal; hypertension; Transjugular; intrahepatic; portosystemic; shunt; Splenic; embolization;