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；
On the section through right superior lobar bronchus, the posterior segmental vein descended between posterior and anterior segmental bronchi.
在右肺上叶支气管层面，后段静脉居后段支气管与前段支气管之间；
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