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
What % of testicular Ca is associated with cryp torchidism - 
Select and explain. 
A. 10%, B. 30%, C. 70%, D. 90%
A: 10%
Answer: A: 10% 
Explanation: Answer is 'a' i.e. 10%: Approx. 10% of testicular tumours are associated with cryptorchidism and higher the location of the undescended testes (intraabdominal versus inguinal), the greater is the risk of cancer.