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
Which of the following marked structure is known as 9th segment of liver? 
Select and explain. 
A. A, B. B, C. C, D. None of the above
B: B
Answer: B: B 
Explanation: According to latest study total 9 segments are there - Segment IX is Paracaval poion of caudate lobe. The lobe shown is caudate lobe. A = SPIEGEL LOBE - segment I B = PARACAVAL POION - segment 9 C = CAUDATE PROCESS There is direct venous drainage of caudate lobe into IVC