Figure 1
From: Isolated Crohn’s disease of the esophagus with esophago-mediastinal fistula formation
Imaging examinations of patients. (a) Irregular 6-cm narrowing of the middle esophagus in barium-swallow examination. (b). Thickened middle esophageal wall, with pneumomediastinum and bilateral effusion in CT scan. CT, computed tomography.