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
[{'content': 'What % of testicular Ca is associated with cryptorchidism - \nSelect and explain. \nA. 10%, B. 30%, C. 50%, D. 70%', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 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.', 'role': 'assistant'}]