<prompt> Lymphocytic colitisBloody diarrheaIntra epithelial lymphocytesLymphocytes is stoolsThrough Ileoscopy look for payers patches  <response>: The characteristic feature of LC is an infiltration by lymphocytes into the colonic epithelium. Collagenous colitis CC shares this feature but additionally shows a distinctive thickening of the subepithelial collagen table. LC and CC have been suggested to represent different phases of a single pathophysiologic process, with LC possibly being a precursor or earlier phase of CC; however, this has not been proven. REFERANCE. MEDSCAP.COM IMAGE REF: 