源于主动脉根左边的左冠状动脉。横跨照片中部延至右侧的是左冠状动脉前降支。可见重度的动脉粥样硬化伴随大片的钙化。右侧较远处、可见一明显狭窄。
This is the left coronary artery from the aortic root on the left. Extending across the middle of the picture to the right is the anterior descending branch. This coronary shows severe atherosclerosis with extensive calcification. At the far right, there is an area of significant narrowing.