This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Couinaud Segment IX of liver belongs to: 
Select and explain. 
A. Left anatomical lobe, B. Left surgical lobe, C. Right surgical lobe, D. Right functional lobe
B: Left surgical lobe
Answer: B: Left surgical lobe 
Explanation: Left surgical lobe * Couinaud Segment IX is a pa of caudate lobe (I) of the left surgical liver. * Left surgical liver contains segment number I, II, III & IV. * Left Anatomical lobe lies to the left of falciform ligament and contains only segment number III & IV. * Right surgical (functional) lobe contains segment no V, VI, VII & VIII.