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).
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