To determine the visibility of the normal secondary pulmonary lobule on HRCT scans,the HRCT images of three fresh cadavers thorax were correlated with gross and histologic cross-sectional anatomy of the lung.

• 为了明确正常肺小叶HRCT表现，本文仅将标本处理前的HRCT像与相应的横断大体标本、组织学切片行对照观察。