Preoperative endoscopy and intraoperative view of patient 2. (A) Bronchoscopy showing the unhealed fistula (arrow) 40 days after the second airway stenting treatment. (B) Intraoperative view of a large defect of left main bronchus (arrow) after resection the diseased gastric tube. (C) Intraoperative view of the reconstruction of left main bronchus with adjacent intrathoracic gastric tissue by use of an interrupted suture (arrow). (D) A PGA sheet (NEOVEIL) (arrow) was interposed between the reconstructed airway and alimentary tract.