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
The treatment of choice for silent stones in Gall bladder is - 
Select and explain. 
A. Observation, B. Chenodeoxy cholic acid, C. Cholecytectomy, D. Lithotripsy
A: Observation
Answer: A: Observation 
Explanation: Ans is 'a' i.e., Observation