Fig. 2

Esophagogastroduodenoscopy and EUS images of EP. a Esophagogastroduodenoscopy showed a lesion elevated from the submucosa that was located from the front wall of the gastric antrum to the gastric angle with normal overlying mucosa. b EUS noted a smooth 5.5 * 3.8 cm cystic and solid anechoic lesion in the submucosal layer, and the cystic wall became thicker when approaching the pylorus (c)