<prompt> Venous drainage of liver into IVC is through:Poal veinHepatic veinsAzygous veinSuperior mesenteric vein  <response>: The upper group right, left and middle and lower group variable numbers of hepatic veins open in vena cava as venous drainage of liver. Poal vein carry venous blood of gut to liver Superior mesentric vein and splenic vein will form Poal vein. 