| No intervention No intervention necessary Deemed inoperable No bronchoscopic options left (e.g., recurrent stenosis) |
51 31 12 8 |
| Dilatation | 2 |
| Dilatation and stent placement | 7 |
| Stent placement | 4 |
| Pneumonectomy/lobectomy | 2 |
| Reinforcement surgery | 2 |
| Tracheostoma/canula | 2 |