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Computed tomography virtual colonoscopy. Computed tomography virtual colonoscopy revealed partial wall thickening and luminal stenosis in the sigmoid colon (arrow, A), as well as unobstructed lumen and smooth mucosa of the descending colon (B), transverse colon (C), ascending colon (D) and cecum (E). Sagittal reconstruction showed stenosis of the sigmoid colon (arrow, F).
