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Copyright ©The Author(s) 2015.
World J Gastrointest Endosc. Apr 16, 2015; 7(4): 389-395
Published online Apr 16, 2015. doi: 10.4253/wjge.v7.i4.389
Figure 1
Figure 1 Endoscopic submucosal dissection of a neuroendocrine tumors in the superior duodenal bulb. A: A protruded-type tumor 0.9 cm × 0.9 cm in size was identified; B: We performed a submucosal dissection. The tip of a knife is perpendicularly oriented to the dissection surface.