Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12879-015-1025-6/MediaObjects/12879_2015_1025_Fig3_HTML.gif)
Microscopic examination of the lung tissue at x100 magnification after H&E staining. Patchy fibroblastic plugs in the bronchioles and alveolar ducts were observed, consistent with BOOP
Microscopic examination of the lung tissue at x100 magnification after H&E staining. Patchy fibroblastic plugs in the bronchioles and alveolar ducts were observed, consistent with BOOP