This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oral Cavity, Subject name: Surgery
The commonest cancer of oral cavity is 
Select and explain. 
A. Adenocarcinoma, B. Melanoma, C. Sarcoma, D. Squaous cell carcinoma
D: Squaous cell carcinoma
Answer: D: Squaous cell carcinoma 
Explanation: Ans. (d) Squamous cell carcinomaRef: Devita 9th edition, page 729* Most common site oral Cancer: Carcinoma Tongue > Carcinoma Lip* Most common histological type: Squamous Cell Cancer* Most common site of oral Cancer in India: Cancer of Buccal Mucosa* Max Risk of L.N. Metastasis: Carcinoma Tongue* Min Risk of L.N Metastasis: Carcinoma lip > hard palate* Most common age: 50-60 years