Fig. 1

Esophagogastroduodenoscopy. a Case 1; b Case 2, cancer-suspected lesion (arrow); c Case 3; d adenocarcinoma in Case 3 (arrow); e Case 4; f raised lesions in the gastric body in Case 4 (arrow)
Esophagogastroduodenoscopy. a Case 1; b Case 2, cancer-suspected lesion (arrow); c Case 3; d adenocarcinoma in Case 3 (arrow); e Case 4; f raised lesions in the gastric body in Case 4 (arrow)