관상동맥조영술상 좌주관상동맥 원위부에서부터 좌주하행동맥 중간부에 걸쳐서 중등도 협착 병변이있었다.
On coronary angiography, there was a moderate stenotic lesion from the distal left main coronary artery to the middle of the left descending artery.