Fig. 5.

Reopening of esophagobronchial fistula caused by food impaction.

A. Initial lateral view shows fistula caused by esophageal cancer. Subsequently, placement of covered expandable stent was performed.

B. Esophagogram obtained one month after stent placement, shows reopening of fistula (arrow) due to food impaction, which is seen as filling defects within stent.

C. This patient underwent passage of inflated balloon catheter (arrow) up and down occluded stent to displace impacted food into stomach.

D. Esophagogram obtained after cleansing stent, shows stent patency and disappearance of fistula.