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: ENT
Carcinoma tongue most frequently develops from - 
Select and explain. 
A. Tip, B. Lateral border, C. Dorsal portion, D. All portions equally
B: Lateral border
Answer: B: Lateral border 
Explanation: Common sites for oral cancer

Tongue carcinoma → Lateral border
Lip carcinoma → Vermilion of lower lip
Cheek carcinoma → Angle of mouth