This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
Most common variety of nasopharyngeal malignancy: 
Select and explain. 
A. Squamous cell cancer, B. Lymphoma, C. Adenocarcinoma, D. Mixed variety
A: Squamous cell cancer
Answer: A: Squamous cell cancer 
Explanation: Ans: a (Squamous cell cancer) Ref: Dhittgra, 3rd ed, p. 302; 4th ed, p. 238Most common variety of Ca nasopharynx is squamous cell cancer in various grades of its differentiation or its variants as transitional cell carcinoma and lymphoepithelioma.Histological types in decreasing order of frequency:* Squamous cell cancer (85%)* Lymphoma (10%)* Rhabdomyosarcoma (5%)