Gastric adenocarcinoma mimicking a submucosal tumor: A case report

Figure 1 Endoscopic findings. A and B: A 1.6-cm type 0-Is lesion covered by congested mucosa on gastric angle was observed by white light endoscopy; C: Regular microvascular pattern, presence of a demarcation line, irregular and smaller crypt opening, and widened intervening part were observed by magnifying endoscopy with narrow-band imaging. Magnification: 40×; D: Endoscopic ultrasound showed a 15.3 mm × 9 mm hypoechoic mass within the submucosal layer and thickened mucosal and submucosal layers.