Fig. 4From: Pulmonary arterial hypertension caused by congenital extrahepatic portocaval shunt: a case reportMesenteric and splenic arteriography shows that the portal vein was absent, and the shunt between splenic and renal venous supply and the LRV and IVC can be seen in the delayed phase (a, b). LRV: left renal vein; IVC: inferior vena cavaBack to article page