text: Other imaging studies for<unk><unk>  include endoscopy. Endoscopy is not recommended in the routine diagnosis of<unk><unk> . Endoscopy is usually required for atypical presentation in addition to detailed clinical assessment. The lesions in<unk><unk>  are most often observed in the the rectosigmoid area. Gross endoscopic findings associated with<unk><unk>  include; focal or diffuse erythema, edematous and friable mucosa, with nodular hyperplasia and/ or ulcerations. Characteristic circumscribed central pit-like erosions may also be observed.
option_0: Allergic colitis other imaging findings
option_1: Ulcerative colitis other imaging findings
option_2: Ischemic colitis other imaging findings
option_3: Irritable bowel syndrome other imaging findings
option_4: Crohn's disease other imaging findings
option_5: Ulcerative colitis other diagnostic studies
option_6: Crohn's disease other diagnostic studies
option_7: Irritable bowel syndrome other diagnostic studies