结果（1 ）肺内病变主要分布于上叶尖后段及下叶背段，其次为上叶前段和下叶各基底段。

Results (1)Most of intrapulmonary lesions located in superior lobe apicoposterior segment and lower lobe dorsal segment, superior lobe anterior segment and lower lobe basal segment.

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结论颅内段椎基底动脉压迫脑干与某些脑部症状的形成有关，发生压迫的部分原因为动脉硬化。

Conclusion: brain stem oppression caused by vertebral-basilar artery is the reason of some brain symptoms. The cause of the oppression is concerned with arteriosclerosis partially.

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