title: Left main equivalence is still an unproved hypothesis but proximal left anterior descending coronary artery disease is a "high-risk" lesion.
mesh_terms: D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000401:mortality / Q000473:pathology* / Q000601:surgery; D003331:Coronary Vessels / Q000473:pathology; D006801:Humans; D009203:Myocardial Infarction / Q000401:mortality / Q000601:surgery; D011379:Prognosis; D012306:Risk