Endovascular aneurysm repair (EVAR) has become the preferred modality for the treatment of infrarenal abdominal aortic aneurysms (AAAs). A variety of anatomic factors must be considered when planning EVAR, including the relationship of the visceral arteries to the aneurysmal segment of the aorta. This report describes 2 patients with infrarenal AAA in whom the superior mesenteric artery was the most caudal visceral vessel, originating inferior to the renal arteries.
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