Venous drainage of liver into IVC is through:
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.
Poal vein
Hepatic veins
Azygous vein
Superior mesenteric vein
Liver