Narrowed arteries. Coloured 3D computer tomography (CT) angiogram of the pelvis of a 66 year old male patient with narrowing (stenosis) of the iliac and femoral arteries. The iliac and femoral arteries supply the legs with blood. The stenosis is caused by atherosclerosis, a build up of fatty plaques (atheroma) on the inner lining of the arteries.
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