Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12931-020-01576-w/MediaObjects/12931_2020_1576_Fig1_HTML.jpg)
Image of the proximal third of the trachea obtained with aScope 4 of a patient showing an osteochondroplastic tracheobroncopathy
Image of the proximal third of the trachea obtained with aScope 4 of a patient showing an osteochondroplastic tracheobroncopathy