This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: ENT
Treatment of choice in nasopharyngeal carcinoma. 
Select and explain. 
A. Chemotherapy, B. Radiotherapy, C. Chemo given with radiation, D. Surgery
B: Radiotherapy
Answer: B: Radiotherapy 
Explanation: Radiotherapy: It is the treatment of choice for nasopharyngeal cancer. Stage I and II are treated by radiotherapy alone while Stage III and IV require concomitant radiation and chemotherapy or radiation followed by chemotherapy.