Fig. 3

The bronchoscopic view of the stent placement in a representative case. Patient 11 is a 54-year-old male with BPF. a Images of the fistula orifice, from which the large amount of purulent secretions and surgical suture can be seen; b elimination of the purulent secretions under rigid bronchoscopy; c bronchoscopic image of the tracheal and carina after stenting; d the inner surface of the occluded branch in the right main bronchus