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': 'Which of the following statements is true regarding testicular tumors? \nSelect and explain. \nA. Are embryonal cell carcinomas in 95% of cases, B. Bilateral in upto 10% cases, C. Teratomas are more common than seminomas, D. None', 'role': 'user'}, {'content': "Answer: D \nExplanation: 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", 'role': 'assistant'}]