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
Regarding testicular tumour, the following are false except - 
Select and explain. 
A. 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
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.