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: Orthopaedics
[{'content': 'Complications of supracondylar fracture of humerus are all except - \nSelect and explain. \nA. Elbow stiffness, B. Malunion, C. Nonunion, D. Myositis ossification', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Complications of supracondylar humerus fracture', 'role': 'assistant'}]