Fistulation between the trachea and an infected mucocele arising from an ex
cluded retained esophageal segment is an interesting and unusual complicati
on of esophageal bypass surgery. We present such a case in which there was
also malignant transformation in the cyst wall, manifested by invasive aden
ocarcinoma and widespread high-grade glandular dysplasia. (C) 2001 by The S
ociety of Thoracic Surgeons.