The main bronchi, lobar bronchi and segmental bronchi were usually invaded continuously or intermittently, with a longer extension;
病变支气管范围长，多为主支气管、叶支气管、段支气管连续或间断受累；
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；
Conclusions: the pulmonary segments can be divided exactly on the coronal section by recognizing the lobar and segmental bronchi, arteries and veins of the lungs carefully.
结论：通过仔细辨认肺段支气管、肺动脉和肺静脉，可在冠状断面上精确划分肺段。
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