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
Calculi is most commonly seen in: 
Select and explain. 
A. Minor salivary gland, B. Major salivary gland, C. Parotid gland, D. Sublingual gland
B: Major salivary gland
Answer: B: Major salivary gland 
Explanation: Sialolithiasis is accumulation of obstructive calcifications within the glandular ductal system, more common in submandibular gland (90%) than the parotid gland (10%).