Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40792-019-0734-2/MediaObjects/40792_2019_734_Fig1_HTML.png)
Axial chest computed tomography (CT) images at admission show a mass surrounding the patient’s left lower bronchus stump with endobronchial extension causing significant obstruction of the left upper bronchus
Axial chest computed tomography (CT) images at admission show a mass surrounding the patient’s left lower bronchus stump with endobronchial extension causing significant obstruction of the left upper bronchus