气管杈层面是在冠状断面上划分肺段的最佳开始层面。
The section through the bifurcation of trachea was the best beginning section for the division of pulmonary segments on the coronal section.
结果：在气管杈层面上，尖后段静脉居中，其前方，前段动脉居前段支气管的内前方；
Results:On the section through tracheal bifurcation, in front of the apicoposterior segmental vein, anterior segmental artery lay medioanterior to anterior segmental bronchus.
结果：在气管杈层面上，尖后段静脉居中，其前方，前段动脉居前段支气管的内前方；
Results:On the section through tracheal bifurcation, in front of the apicoposterior segmental vein, anterior segmental artery lay medioanterior to anterior segmental bronchus.
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