Total occlusion of the left main coronary artery--a lethal lesion?
D000787:Angina Pectoris / Q000209:etiology*; D006328:Cardiac Catheterization; D003324:Coronary Artery Disease / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography