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
Treatment of calculus within the submandibular salivary gland is 
Select and explain. 
A. Removal of sinus, B. Removal of the gland, C. Dichotomy, D. Milking of the stone
B: Removal of the gland
Answer: B: Removal of the gland 
Explanation: None