Introduction
Coronary artery aneurysm (CAA) is defined as the epicardial coronary artery exceeds 1.5-2 times the normal adjacent coronary artery[1, 2],with the incidence is approximately 0.02-0.04%[1]. At present, the diagnostic criteria of CAA, especially giant CAA, is still inconclusive. And There is no consensus on the indications and methods of surgery for CAA. This report describes a case of CAA with calcification and stenosis and summarizes relevant cases since the first report.