This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small & Large Intestine, Subject name: Surgery
Colonoscopy is are not indicated in - 
Select and explain. 
A. MEN 2B, B. FAP, C. HNPCC, D. Cornkite Canada syndrome
A: MEN 2B
Answer: A: MEN 2B 
Explanation: Ans. is 'a' i.e., MEN 2B * MEN 2B does not predispose to colon cancer.* FAP, HNPCC, Cronkite Canada Syndrome predispose to Colon Cancer and hence screening with colonoscopy is needed.