Evaluation of characteristics of left-sided colorectal perfusion in elderly patients by angiography

Figure 2 Demonstration of lesions in the inferior mesenteric artery and branches of the inferior mesenteric artery on digital subtraction angiography. The arrows represent the lesion sites including stenosis and occlusion. A: Superior rectal artery stenosis with plaque; B: Superior rectal artery occlusion; C: Inferior mesenteric artery trunk occlusion. The distal blood supply came from left colic artery compensation for the superior mesenteric artery.