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Retrospective Study
Copyright: ©Author(s) 2026.
World J Gastrointest Oncol. Mar 15, 2026; 18(3): 115737
Published online Mar 15, 2026. doi: 10.4251/wjgo.v18.i3.115737
Figure 3
Figure 3 Endoscopic submucosal dissection for sporadic nonampullary duodenal tumor. Submucosal tumor, 10 mm × 6 mm, neuroendocrine tumor G1, vertical margin (-), horizontal margin (-). A: Lesion in the bulb; B: Micro-probe endoscopic ultrasonography showed a hypoechoic lesion in the second layer; C: Marking; D and E: Dissection with golden knife; F: Post-endoscopic submucosal dissection ulcer; G: Clip closure; H: En bloc specimen.


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