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': 'All of the following can occure as complications of fracture of the neck of femur except: \nSelect and explain. \nA. Shoening, B. Non - union, C. Mal - union, D. Avascular necrosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Mal-union', 'role': 'assistant'}]