This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Liver, 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: Ans: c (Hepatic vein)Ref: Bailey & Love, 24th ed, p. 1074 & 23rd ed, p. 943