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Figure 1 Summary of coronary anatomy and mortality rates. Coronary patterns were determined by intraoperative observation and are displayed in this figure from a parasternal short-axis echocardiographic view. The number of early deaths is documented as the upper fraction, with the total number as the lower fraction. The graph shows the distribution of the coronary artery patterns. Ant = anterior; Cx = circumflex; L = left; LAD = left anterior descending artery; LCA = left coronary artery; Post = posterior; R = right; RCA = right coronary artery.