Footnotes

• Contributors FP: treated the patient and contributed to the manuscript; NU: conceived the manuscript and treated the patient; SB: performed all bronchoscopies and provided figure and video of secreting fistula; PT: performed all radiological images and contributed to the radiological aspects of discussion; AI: performed the surgical intervention and contributed to the decisional aspects of discussion; PF: reviewed the histopathology and contributed to the pathological aspects of discussion; AMZ: treated the patient initially and contributed to the manuscript; RC: treated the patient, contributed to the manuscript and the clinical aspects of discussion and final decision.

• Competing interests None.

• Patient consent Obtained.

• Ethics approval Obtained.

• Provenance and peer review Not commissioned; internally peer reviewed.