This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
In Budd Chiari syndrome, the occlusion is at the 
Select and explain. 
A. IVC, B. Renal Vein, C. Hepatic vein, D. Splenic vein
C: Hepatic vein
Answer: C: Hepatic vein 
Explanation: Budd chiari syndrome occurs when venous drainage of the liver is occluded by hepatic venous thrombosis or obstruction from a venous web Reference Bailey and love&;s 24 the edition page no.1074