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: Surgery
Consider the following 
Select and explain. 
A. Cholesterosis, B. Adenomyomatosis, C. Polyposis, D. Cholelithiasis
A: Cholesterosis
Answer: A: Cholesterosis 
Explanation: .