Surgery Small Intestine - Crohn's Disease 9971c9b1 Crohn's Disease most commonly affects the - A Ileum B Rectum C Duodenum D Stomach High-Yield Explanation Ans. is 'a' i.e., Ileum Commonest sites of various intstinal diseasesUlcerative colitisRectumCrohn's diseaseIleumCA colonRectumDiverticulosisSigmoid colon