This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Anatomy
[{'content': 'Regarding testicular tumour, the following are false except \nSelect and explain. \nA. They are commonest malignancy in older men, B. Seminomas are radiosensitive, C. Only 25% of stage 1 teratomas are cured by surgery alone, D. Chemotherapy rarely produces a cure with metastatic lesions', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Seminomas are well known to be one of the most radiosensitive tumors About other options Option (a) : Commonest malignancy in older males is - Prostate cancer Option (c) : Stage I Nonseminomas (including teratomas) are t/t by surgery alone and show a high cure rate (>95%) Option (d) : Chemotherapy shows a good response in advance stage testicular tumors.', 'role': 'assistant'}]