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A 61-year-old man presented with massive bleeding from surgical drains 3 d after excision of the intra-abdominal abscess. A: Selective inferior mesenteric arteriography shows a pseudoaneurysm (arrow) arising from the superior rectal artery; B: Selective inferior mesenteric arteriography after embolization with microcoils demonstrated complete occlusion (arrow) of the distal end of the superior rectal artery.
