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': 'TPN may be complicated by ? \nSelect and explain. \nA. Obstructive jaundice, B. Hyperosteosis, C. Hypercalcemia, D. Pancreatitis', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Hypercalcemia", 'role': 'assistant'}]