,OPERATION PROCEDURE: , Coronary bypass graft x2 utilizing left internal mammary artery, the left anterior descending, reverse autogenous reverse autogenous saphenous vein graft to the obtuse marginal. 
,OPERATION PROCEDURE : , Coronary bypass graft x2 utilizing left internal mammary artery , the left anterior descending , reverse autogenous reverse autogenous saphenous vein graft to the obtuse marginal .