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': 'Radiological feature differentiating myositis ossificans from bone tumor is: \nSelect and explain. \nA. Peripheral ossification, B. Central lucency, C. Discontinuity with the bone, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Discontinuity with the bone', 'role': 'assistant'}]