Clinical presentation

An asymptomatic 61-year-old man with a medical history of successful Helicobacter pylori eradication therapy 7 years earlier underwent a screening oesophagogastroduodenoscopy (OGD). Laboratory investigations, including serum carcinoembryonic antigen and cancer antigen 19-9, showed no significant abnormalities. The OGD showed an irregular nodulated lesion in the lesser curvature of the gastric antrum (figure 1) and an aggregated lesion consisting of small nodules and hypertrophic gastric folds in the greater curvature of the lower gastric body (figure 2). Barium meal examination showed a filling defect with an irregular boundary at the lesser curvature of the gastric body. No abnormal lesions were identified by abdominal contrast-enhanced CT; however, 10–20 mm …