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Figure 5 Electron-beam angiogram of a person 22 years after coronary bypass surgery. A saphenous vein graft is widely patent, inserting into the left anterior descending artery, just after a high-grade stenosis in the native coronary (white triangles). The distal artery is well seen and patent, extending around the apex of the heart. Three saphenous vein grafts are closed proximally (black arrowheads).
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