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': 'Splenectomy done in: \nSelect and explain. \nA. ITP, B. Aplastic anemia, C. Hereditary spherocytosis, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is All', 'role': 'assistant'}]