Fig. 2

Effect of bleomycin on pulmonary fibrosis injury in mice. (A) H&E staining images of lung tissue in each group of mice. (B) Masson’s staining images of lung tissue in each group of mice. (C) CT imaging characteristics of lungs in each group of mice: (D) ratio of collagen deposition area in lung tissue; (E) respiratory tidal volume; and (F) respiratory frequency(n = 6). *P<0.05, **P<0.01, ***P<0.001, ****P<0.0001.