Background
Aortoesophageal fistula (AEF) is a relatively rare condition that is often life-threatening. Secondary AEF is a complication of previous surgery, and can be more critical and challenging than primary AEF. The number of secondary AEF is increasing due to increase in the number of thoracic endovascular aortic repair (TEVAR). Although TEVAR has become a successful alternative surgical strategy for thoracic aortic aneurysms, secondary AEF after TEVAR may occur because of severe adhesion between the esophagus and residual thoracic aortic wall.