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.
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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