根据组织切片数计算病灶离冠状动脉开口处的距离和病灶的长度；
The length of the lesions and the distance from the beginning of the coronary was calculated depending on the numbers of sections.
左、右冠状动脉在主动脉窦的开口部位，以窦内占多数，分别为87。
Most of the openings of left and right coronary artery were in the aortic sinus, which were 87.
在上方的主动脉上可以看到冠状动脉的开口。
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