<prompt> Crohn;s disease can be seen inJejunum onlyColon onlyTerminal ileum and right sideMouth of anus  <response>: .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 Crohns 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 