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
[{'content': 'Couinaud Segment IX of liver belongs to: \nSelect and explain. \nA. Left anatomical lobe, B. Left surgical lobe, C. Right surgical lobe, D. Right functional lobe', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 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.', 'role': 'assistant'}]