Fig. 2From: The use of a sternothyroid muscle flap to prevent the re-recurrence of a recurrent tracheoesophageal fistula found 10 years after the primary repairEsophagoscopy showed a pit (arrow) beside the anastomotic line (a). Indigo carmine, which had been injected via a catheter placed in the pit appeared with an air bubble from the posterior wall of trachea (b). Thus, the patient was diagnosed with recurrent TEFBack to article page