A chest roentgenogram from a 42-year-old man with asthma, primary hypoparathyroidism, and pectus excavatum showed a left suprahilar mass-like density.
A chest roentgenogram from a 42-year-old man with asthma, primary hypoparathyroidism, and pectus excavatum showed a left suprahilar mass-like density (A, arrows). A CT scan showed this to be a cystic lesion to the left of the esophagus and posterior to the left main-stem bronchus (B, white cross). At surgery, it proved to be a 6.5 × 5.5 × 4-cm tense, tan, thin-walled unilocular esophageal foregut cyst, which was resected. The cyst contained a clear, mildly mucous fluid. The smooth inner cyst wall was approximately 1 mm thick and consisted of ciliated epithelium overlying connective tissue.