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
Indications of prophylactic cholecystectomy are all except 
Select and explain. 
A. Diabetes, B. Hemoglobinopathy, C. Gallstone size >3 cm, D. Porcelain GB
A: Diabetes
Answer: A: Diabetes 
Explanation: Diabetes Mellitus Patients with diabetes may have a higher incidence of gallstones from the indirect effects of the metabolic syndrome, obesity, and a family history of gallstones No data show worse evolution of asymptomatic cholelithiasis in diabetes, and prophylactic cholecystectomy in asymptomatic gallstones carriers with diabetes is not recommended Ref: Blumga 5th edition Pgno : 486