Fig. 3

The picture edited the main steps of endoscopic recanalization. Complete obstruction of the right main bronchus from the level of the carina by an extrinsic tumor (a); complete recanalization of the right main bronchus, middle and lower lobe bronchus (b); insertion of the stent with a dedicated delivery catheter to cover the right upper lobe where the tumor originated (c); patency of right main bronchus after stent insertion (d)