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
Which of the following statements is true regarding testicular tumors? 
Select and explain. 
A. Are embryonal cell carcinomas in 95% of cases, B. Bilateral in upto 10% cases, C. Teratomas are more common than seminomas, D. None
D: None
Answer: D: None 
Explanation: Ans. is None None of the given options are true Option 'a' : Embryonal cell carcinomas constitute only 20%. Option 'c' : Seminomas are much more common than teratomas. Seminomas constitute 35% (according to Smith's Urology) & teratomas 5%. Option 'd' Testicular tumors usually present in 3rd & 4th decade Option 'b' : Testicular tumors are bilateral in about 2% of cases