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. 2023 May 31;13:1115927. doi: 10.3389/fonc.2023.1115927

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Copyright © 2023 Jiang, He, Chu, Li, Lu, Jiang, Xie, Gao and Zhang

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Establishment of the operating space for gasless STET using our own designed suspension system and other main endoscopic instruments. ① an anesthesia stand, ② a sterile bandage, ③ a self-developed retractor.