Combination of the saline-immersion technique and a new thin therapeutic endoscope for endoscopic submucosal dissection of a duodenal subepithelial tumor.

COI Statement

E. J. Despott has received educational grants in support of conference organization and honoraria from Fujifilm, Pentax, Olympus, and Ambu. H. Yamamoto has provided consultancy to Fujifilm, from whom he has received honoraria, grants, and royalties. K. Hashimoto, H. Fukuda, T. Fujinuma, and Y. Nomoto have no conflicts of interest to declare.

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