Clinical course of subepithelial lesions detected on upper gastrointestinal endoscopy

Figure 4 Endoscopic, EUS, abdominal computed tomography (CT), and gross findings of a schwannoma. A: Endoscopic view of an ovoid subepithelial mass with a significant interval change; B: EUS shows a round, homogeneous, hypoechoic mass in the third gastric wall layer; C: CT scan shows a 2.8 cm × 2.2 cm homogeneous, well-defined, soft tissue mass on the upper body of the stomach; D: Gross findings of wedge resection reveal a 3 cm × 2.5 cm well-demarcated, round, firm, yellow mass.