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
True about sublingual gland tumor is 
Select and explain. 
A. Mostly Benign, B. Painless swelling, C. Neck dissection is not done, D. All of the above
B: Painless swelling
Answer: B: Painless swelling 
Explanation: Sublingual gland tumors are usually malignant (85%)
Present as painless hard mass.
Treated by excision and neck dissection.