 The catheter was then sequentially advanced to the saphenous vein graft to the diagonal branch, saphenous vein graft to the obtuse marginal branch, and left internal mammary artery, left anterior descending coronary artery, and multiple views of those vessels were obtained. 
The catheter was then sequentially advanced to the saphenous vein graft to the diagonal branch , saphenous vein graft to the obtuse marginal branch , and left internal mammary artery , left anterior descending coronary artery , and multiple views of those vessels were obtained .