Fig. 2

a The lower portion of the trachea, the carina, the left main bronchus, and the right main bronchus were exposed via a right thoracotomy. b The trachea and right main bronchus were anastomosed in an end-to-end fashion. c Ventilation through right bronchial intubation across the operative field. d pedicled azygos vein flap which were to completely encircle the anastomotic stoma