This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Salivary Gland, Subject name: Surgery
Most common tumor of submandibular gland - 
Select and explain. 
A. Warthin's tumor, B. Pleomorphic adenoma, C. Oncocytoma, D. Adenoid cystic CA
B: Pleomorphic adenoma
Answer: B: Pleomorphic adenoma 
Explanation: Ans. is 'b' i.e., Pleomorphic adenoma * Pleomorphic adenoma is the most common benign tumor of the salivary glands and can arise in any of the salivary gland.* It is the most common tumor of the parotid, submandibular 8c sublingual glands (Most common tumor of minor salivary glands are Adenoid cystic Ca & mucoepidermoid ca.)