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Figure 1 A 54-Year-Old Patient With Unstable Angina 3 Years After 4-Vessel Bypass Grafting

Three-dimensional reconstructions demonstrate 4 patent bypass grafts in the anterior (A) and left lateral (B) projections. Invasive angiography confirmed patent saphenous vein grafts to the 1st diagonal branch (C) and 2nd obtuse marginal branch (D), as well as a patent radial artery graft to the 1st obtuse marginal branch (E) and a patient left internal mammary artery graft to the left anterior descending coronary artery (F).