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 bilateral soft tissue undercut includes: 
Select and explain. 
A. Removal of the tissue on one side only, B. Removal of tissue on both sides, C. No need of removal of the tissue, D. Any of the above
A: Removal of the tissue on one side only
Answer: A: Removal of the tissue on one side only 
Explanation: Treatment of bilateral soft tissue undercuts include removal of the tissue on only one side and the opposite undercut is used for retention purpose.
Treatment of bilateral bony undercuts include removal of both undercuts, so that no undercut exists.