Fig. 3. The results of vascular remodeling. (A) WT and WA of the pulmonary arteries. WT and WA data compared with model group (*P <0.05) are shown. (B) Histopathological analysis of rat lung tissues. H&E findings at 100 × magnification of the (a) model group, (b) therapy group, and (c) control group are shown. H&E: hematoxylin–eosin; WA: wall area; WT: wall thickness.