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A, Preoperative flush aortogram of patient 4 showing severe stenosis (arrowhead) in the inferior mesenteric artery (IMA), with the IMA feeding a robust collateral network to the viscera and lower extremities. B, Balloon angioplasty showing residual waist. C, Stent placement with improved stenosis (arrowhead) and flow to the meandering mesenteric artery.
