Alveolus inflammation was observed on day 7 andfibrosis focus was found on day 14. Lung Coefficient of model groupsincreased significantly.

• 灌注博莱霉素后第 7 天肺组织病变以肺泡炎为主,第 14 天肺内有纤维化病灶形成,模型组大鼠肺系数明显高于对照组。