How I do it: Endoscopic diagnosis for superficial non‐ampullary duodenal epithelial tumors

There are no reports on detailed endoscopic diagnosis of superficial non‐ampullary duodenal epithelial tumors (SNADET) except for relatively small case series. Herein, we conducted a prospective observational study to investigate the relationship between endoscopic findings and histopathological diagnosis of SNADET. A total of 163 SNADET diagnosed using magnified endoscopic examination with image‐enhanced endoscopy (IEE‐ME) were prospectively...