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': 'Recurrent fibroma refers to Desmoid tumor arising in \nSelect and explain. \nA. Uterus, B. Scar tissue, C. Ovary, D. Muscle', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]