 Redo coronary bypass grafting x3, right and left internal mammary, left anterior descending, reverse autogenous saphenous vein graft to the obtuse marginal and posterior descending branch of the right coronary artery. 
Redo coronary bypass grafting x3 , right and left internal mammary , left anterior descending , reverse autogenous saphenous vein graft to the obtuse marginal and posterior descending branch of the right coronary artery .