Colonoscopy is are not indicated in -
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.
MEN 2B
FAP
HNPCC
Cornkite Canada syndrome
Small & Large Intestine