“…Endoscopic treatment of BPF is based on the delivery of biological glue, coils, covered stents and sealants to the BPF site [5,6,7,8,9,10,11,12,13,14]. The degree of success with bronchoscopic treatment is variable, and depends on the underlying disease, and the proximity and size of the fistulas, with larger fistulas having poor closure rates [6,7,8,9].…”