This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Salivary Glands, Subject name: Surgery
Acinic cell carcinomas of the salivary gland arise most often in the: 
Select and explain. 
A. Parotid gland, B. Minor salivary glands, C. Submandibular gland, D. Sublingual gland
A: Parotid gland
Answer: A: Parotid gland 
Explanation: Acinic cell carcinoma Exclusively arises from Parotid gland Resembles normal serous acinal cells of salivary gland Encapsulated Tends to involve regional lymph nodes Treatment: Radical resection