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: Pathology
[{'content': 'Ectopic rest of normal tissue is known as? \nSelect and explain. \nA. Hamartoma, B. Choristoma, C. Lymphoma, D. Teratoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ectopic rest of normal tissue is choristoma.\nAbnormally arranged tissue present at normal site is hamartoma.', 'role': 'assistant'}]