This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
All are Indications of cholecystectomy except 
Select and explain. 
A. Emphysematous cholecystitis, B. Biliary dyskinesia, C. Perforation of gallbladder, D. Adenomyomatosis
D: Adenomyomatosis
Answer: D: Adenomyomatosis 
Explanation: Cholecystectomy is indicated in symptomatic Adenomyomatosis It is also indicated when cholelithiasis due to Adenomyomatosis is present Ref: Sabiston 20th edition Pgno :486