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
Which one of the following is the treatment of choice for a 4cm retroperitoneal lymph node mass in a patient with non seminomatous germ cell tumor of the testis ? 
Select and explain. 
A. Radical radiotherapy alone, B. High Orchidectomy + RPLND, C. RPLND alone, D. High Orchidectomy alone
B: High Orchidectomy + RPLND
Answer: B: High Orchidectomy + RPLND 
Explanation: Ans. is 'b' i.e., High orchidectomy + RPLND