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 malignant tumor seen in parotid gland? 
Select and explain. 
A. Adenoid Cystic Cancer, B. Warthin's tumor, C. Mucoepidermoid cancer, D. Adenocarcinoma
C: Mucoepidermoid cancer
Answer: C: Mucoepidermoid cancer 
Explanation: Ans. (c) Mucoepidermoid cancerRef: Bailey and Love 26th edition Page 733* Most common benign tumor - Pleomorphic adenoma* Most common malignant tumor- Mucoepidermoid cancer.