inferior vena cava syndrome
5.Background and objectivesThe Budd-Chiari syndrome(BCS) is a heterogeneous group of disorders characterized by hepatic venous outflow obstruction at the level of the hepatic venules, the large hepatic veins, the inferior vena cava(IVC), or the right atrium, which results in increased hepatic sinusoidal pressure and portal or inferior vena caval hypertension.

