This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Testis and scrotum, Subject name: Surgery
[{'content': "All of the following are the risk factors for testicular tumors except: \nSelect and explain. \nA. Testicular feminization syndrome, B. Klinefelter's syndrome, C. Administration of DES in utero, D. Acute Epididymo- Orchitis (EDO)", 'role': 'user'}, {'content': "Answer: D \nExplanation: Risk factors for testicular tumors- Cryptorchidism- Testicular feminization syndrome (androgen insensitivity syndrome)- Klinefelter's syndrome- H/O testicular tumor in siblings- Personal H/O TT- increases risk of contralateral testicular tumor- In-utero exposure of DES (Diethyl stilbestrol)", 'role': 'assistant'}]