This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anal Canal, Subject name: Surgery
[{'content': 'Treatment of choice of desmoids tumour is: \nSelect and explain. \nA. Surgery, B. Chemotherapy, C. Radiotherapy, D. Surgery + Radiotherapy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Surgery + Radiotherapy* Role of Radiotherapy in Abdominal wall desmoids is still controversial.* But there are studies showing better results with RT combined with surgery, rather than surgery alone.* So let us opt for both', 'role': 'assistant'}]