Clinical Presentation

A 69-year-old man has dysphagia.

(A) Single-contrast barium study shows a long, irregularly marginated midesophageal stricture (arrows). A focal, posterolateral outpouching (arrowhead) of contrast is also visible. (B) Contrast-enhanced computed tomography (CT) shows a soft-tissue mass infiltrating the mediastinum at the level of the carina and narrowing the esophageal lumen (arrow).

Differential Diagnosis