Research Article

Efficacy and Safety of Exploring Deeper Sections of the Infrapapillary Area of the Duodenum by Using Sedative Esophagogastroduodenoscopy

Figure 1

(a) Small polypoid lesions with shallow ulcers over the infrapapillary area (arrow). (b) Duodenal involvement of adenocarcinoma, featuring neoplastic epithelial cells arranged in irregular glands infiltrating the stroma (H&E, 100x).
(a)
(b)