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': 'In patients with cirrhosis of the liver the site of obstruction in the poal system is in the? \nSelect and explain. \nA. Hepatic vein, B. Post sinusoidal, C. Extra hepatic poal vein, D. Sinusoids', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans is d i.e. Sinusoids', 'role': 'assistant'}]