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': 'Okuda staging for HCC includes all except \nSelect and explain. \nA. Ascites, B. Albumin, C. PT, D. Tumor size', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]