The angiographic incidence of the coronary artery aneurysm is reportedly between 1.5% to 4.9%, and it is more frequent in males. The aneursym of left main coronary artery is a rarely seen entity. We present a 71-year-oldfemale presenting with unstable angina pectoris and in whom a huge left main coronary artery aneurysm was observed in the coronary angiography.

Keywords:

Coronary artery aneurysm, left main coronary artery