结果：13例患者的病灶均位于两肺下法后基底段。
Results: All cases were located in the posterior segment of lower lobes of both lungs.
结果：基底段到心尖段应变与应变率呈下降趋势，但统计学差异无显著性。
Results: Although strain and strain rate declined from basal segment to apex, there was no statistical difference.
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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