术后病理学检查发现，观察组癌细胞均有不同程度的变性、坏死，细胞间质水肿，纤维增生，炎性细胞浸润；
The post-operative pathological examination showed varying degrees of apomorphosis and necrosis of tumor cell, intercellular substance edema, fibrous hyperplasia and inflammatory cell invasion.
组镜下见肺灶性出血，间质、肺泡水肿，大量炎细胞浸润。
Local hemorrhage, interstitial edema, alveoli exudation and inflammatory cells were observed in lungs in group a.
与对照组相比较，各时间点的实验组大鼠肺组织炎症细胞渗出减少，间质水肿减轻。
In the study group, pulmonary architecture was preserved and infiltration of inflammatory cells and edema decreased.
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