Fig. 5
A bronchial stump fistula with separation and residual suture nails can be seen under electronic bronchoscopy. B After cutting and ablation, the fistula with a diameter of 7 mm was completely exposed. C The Amplatzer occluder was implanted to seal the fistula completely under bronchoscopy. D The satisfactory plugging effect of the Amplatzer device is shown under direct vision (arrow)