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: Medicine
Which is the treatment for mucocele of gall bladder - 
Select and explain. 
A. Cholecystectomy, B. Cholecystostomy, C. Conservative treatment, D. None
A: Cholecystectomy
Answer: A: Cholecystectomy 
Explanation: None