Internal Mammary-Coronary Artery AnastomosisMammary ArteriesThoracic ArteriesCoronary Artery BypassSaphenous VeinSternumTreatment OutcomeArteriesRadial ArteryGraft Occlusion, VascularCarotid Artery, InternalVascular PatencySubclavian Steal SyndromeCarotid Artery, Internal, DissectionSubclavian ArteryVascular GraftingCoronary AngiographyCoronary DiseasePostoperative ComplicationsCarotid Artery DiseasesMoyamoya DiseaseMyocardial RevascularizationCoronary VesselsCineangiographyCoronary Artery Bypass, Off-PumpFollow-Up Studies