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
Commonest malignancy type in oral cavity is: September 2010 
Select and explain. 
A. Adenocarcinoma, B. Transitional cell carcinoma, C. Squamous cell carcinoma, D. Basal cell carcinoma
C: Squamous cell carcinoma
Answer: C: Squamous cell carcinoma 
Explanation: Ans. C: Squamous cell carcinoma