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: ENT
Most common tumor of submandibular gland is - 
Select and explain. 
A. Pleomorphic adenoma, B. Adenolymphoma, C. Oncocytoma, D. Hemangioma
A: Pleomorphic adenoma
Answer: A: Pleomorphic adenoma 
Explanation: Ans. is 'a' i.e., Pleomorphic adenoma * Pleomorphic adenoma - Most common benign tumor of submandibular gland* Adenoid cystic carcinoma - Most common malignant tumor of submandibular gland.