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: Medicine
Stage I seminoma t 12 estis. t/t of choice is - 
Select and explain. 
A. High inguinal orchidectomy, B. High inguinal orchidectomy and radiotherapy, C. Radiotherapy and Chemotherapy, D. Trans-scrotal orchidectomy
B: High inguinal orchidectomy and radiotherapy
Answer: B: High inguinal orchidectomy and radiotherapy 
Explanation: None