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
[{'content': 'Crohn&;s disease can be seen in \nSelect and explain. \nA. Jejunum only, B. Colon only, C. Terminal ileum and right side, D. Mouth of anus', 'role': 'user'}, {'content': "Answer: D \nExplanation: .crohn&;s disease is a granulomatous, noncaseating inflammatory condition of the ileum commonly and of the colon often. * It is independent of age, sex, socioeconomic status and geographic areas. Main features of Crohn's disease * Ileum--most common site of occurrence--60% * Rectal sparing is usual and common * Skip lesion * Hose-pipe pattern * Linear ulcers and cobble stone appearance of mucosa * Transmural ref:SRB&;s manual of surgery,ed 3,pg no 801", 'role': 'assistant'}]