Left main coronary artery disease.
D000792:Angiography; D017023:Coronary Angiography; D001026:Coronary Artery Bypass / Q000401:mortality; D003327:Coronary Disease / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D004562:Electrocardiography; D006801:Humans; D011379:Prognosis