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
Regarding testicular tumour, the following are false except 
Select and explain. 
A. 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
B: Seminomas are radiosensitive
Answer: B: Seminomas are radiosensitive 
Explanation: 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.