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': 'Regarding testicular tumour, the following are false except - \nSelect and explain. \nA. They are commonest malignancy in older man, B. Seminomas are radiosensitive, C. Only 25% of Stage 1 teratomas are cured by surgery alone., D. Chemotherapy rarely produces a cure in those with metastatic disease', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Seminomas are well known to be one of the most radiosensitive tumors\nAbout other options \n\nOption (a) : Commonest malignancy in older males is → Prostate cancer\nOption (c) : Stage I Nonseminomas (including teratomas) are t/t by surgery alone and show a high cure rate (>95%)\n\n\n\nOption (d) : Chemotherapy shows a good response in advance stage testicular tumors.', 'role': 'assistant'}]