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: Surgery
Which among the following is most common neoplasm of Salivary gland - 
Select and explain. 
A. Pleomorphic adenoma, B. Adenocystic Carcinoma, C. Mucoepidermoid, D. Mixed tumour
A: Pleomorphic adenoma
Answer: A: Pleomorphic adenoma 
Explanation: Ans is 'a' ie Pleomorphic adenoma "Pleomorphic adenomas account for 40% to 70% of all tumors of the salivary glands, most commonly occurring in the tail of the parotid." - Sabiston