This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
Carcinoma tongue is most common at 
Select and explain. 
A. Lateral border, B. Dorsum, C. Posterior 1/3rd, D. Tip of tongue
A: Lateral border
Answer: A: Lateral border 
Explanation: Carcinoma Tongue Most common site is middle of lateral border or ventral aspect of the tongue Most common histological type is squamous cell carcinoma Most common associated risk factors are tobacco and alcohol Most common variety is ulcerative 30% patients presents with cervical node metastasis Ref: Bailey and love 27th edition Pgno : 616