主要病变为弥漫性肺纤维化，有纤维细胞结节形成。
The main histopathological changes were diffuse pulmonary fibrosis and deposition of large amount of dust.
以尘斑伴灶周肺气肿为主，可有轻度弥漫性肺纤维化。
By dust spot with focal weeks emphysema is given priority to, with mild diffuse pulmonary fibrosis.
肺纤维化是指多种原因导致的，以弥漫性肺间质组织增生为特征的疾病。
Pulmonary fibrosis is caused by many factors and shows diffuse interstitial tissue hyperplasia.
肺纤维化是指多种原因导致的，以弥漫性肺间质组织增生为特征的疾病。
Pulmonary fibrosis is caused by many factors and shows diffuse interstitial tissue hyperplasia.
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