Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40792-020-00831-y/MediaObjects/40792_2020_831_Fig4_HTML.png)
Postoperative chest computed tomography (CT). a Expansion of the stenotic area on chest CT at 6 months postoperatively. b Scars covering the dorsal side of the membranous portion of the bronchial tube at 6 months postoperatively
Postoperative chest computed tomography (CT). a Expansion of the stenotic area on chest CT at 6 months postoperatively. b Scars covering the dorsal side of the membranous portion of the bronchial tube at 6 months postoperatively