Figure 1.

Imaging showing a solid tumor mass under the mucosal membrane located on the lesser curvature of the middle gastric body. (A) Endoscopic image ra evealing a 15-mm gastric submucosal tumor located in the body. (B) Endoscopic ultrasonography image obtained with a 20-MHz catheter probe revealing low-echogenicity mass under the gastric wall submucosal muscularis propria, with a clear boundary and uneven internal echogenicity. (C) Contrast-enhanced abdominal computed tomography image demonstrating a mass, 23×11 mm in size, in the gastric body.