Fig. 2
From: Covered metallic stent for the treatment of malignant esophageal fistula combined with stricture
Three tubes and covered stent placement. a Esophagography shows esophageal mediastinal fistula and esophageal stricture in the middle part of esophagus. b Abscess drainage tube was inserted. c An esophageal covered stent was placed to block the fistula. d Esophagography shows that the contrast agent flows though the stent with no fistula immediately after stent placement