Fig. 3
Endoscopic images. AÂ Esophagus: esophageal edema;Â BÂ Gastric antrum: edema of the gastric antrum with congestion; CÂ Duodenum: entrance of the descending duodenum; D-FÂ Ascending colon, Transverse colon, and Sigmoid colon: scattered congestion and erosions of the colonic mucosa(arrows)