Image of the MonthGastric wall abscess mimicking a subepithelial lesion A 55-year-old man without recognized risk factors was admitted with a 1-month history of abdominal pain and vomiting.Contrast-enhanced abdominal computed tomography showed a low-density mass-like lesion with peripheral enhancement in the gastric antrum, extending into the submucosal layer ( Fig. 1 A).Upper gastrointestinal endoscopy revealed a protruding subepitheliallike lesion on the greater curvature of the antrum with a small surface opening ( Fig. 1 B).Endoscopic ultrasonography demonstrated a
Wang et al. (2026) studied this question.