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
What % of testicular Ca is associated with cryptorchidism - 
Select and explain. 
A. 10%, B. 30%, C. 50%, D. 70%
A: 10%
Answer: A: 10% 
Explanation: 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.