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A 72-year-old female presenting with bright red blood per rectum was found to have an active bleed from sigmoid colonic diverticula (A, B: arrows). Catheter angiography with superselective interrogation of the left sided inferior mesenteric arterial branches (C, arrowhead) demonstrated the site of active bleed (arrowheads) with successful coil embolization (D, arrowhead) to stop the bleeding.
