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: Medicine
[{'content': 'Chronic radiation proctitis is associated with the treatment of all malignancies, EXCEPT: \nSelect and explain. \nA. Carcinoma cervix, B. Carcinoma testes, C. Carcinoma prostate, D. Carcinoma small bowel', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Chronic radiation proctitis is a troublesome complication occurring in 5%-20% of patients following pelvic radiotherapy. It was done for carcinoma of the prostate, rectum, urinary bladder, cervix, uterus and testes. Carcinoma small bowel is a rare condition and it is mainly adeno carcinoma which is not treated ith radiotherapy. Ref: World J Gastroenterol 2011 November 7; 17(41): 4554-4562.', 'role': 'assistant'}]