PNS can significantly reduce inflammatory cells exudation and fibroblast proliferation in pulmonary interstitium and alveolar spaces on the 7th day after drugs administration(P<0.05, P<0.01).
光镜观察所见，给予PNS治疗7天后，各给药组肺间质及肺泡腔中炎性细胞渗出及成纤维细胞增殖较模型组有不同程度的减轻（P<0.05，P<0.01）；
Nodules seen in relation to interlobular septa, the peribronchovascular interstitium, or beneath the pleural surface represent tumor growing in pulmonary capillaries, lymphatics, or the interstitium.
结节可见于小叶间隔、支气管血管周围间质、胸膜表面之下的毛细血管、淋巴管及间质。
Results: Thoracic roentgenograms and CT scans showed extensively diffuse infiltration in pulmonary parenchyma and interstitium respectively.
结果：胸片与CT 表现为广泛的肺实质或肺间质浸润。
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