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: Pathology
[{'content': 'Macronodular cirrhosis is considered once nodule diameter is greater than - \nSelect and explain. \nA. 1 mm, B. 2 mm, C. 3 mm, D. 4 mm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]