Fig. 1From: Robot-assisted enucleation of large dumbbell-shaped esophageal schwannoma: a case reportPreoperative imaging of the large esophageal SMT. (a) Upper endoscopy revealed a submucosal tumor 70 mm in length that was 30 cm from the incisor with an intact overlying mucosa. (b) CT scan of the chest revealed a 69 × 36 mm homogeneous mass in the distal esophageal wall (arrow)Back to article page