Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Gastroenterol. Jun 14, 2023; 29(22): 3497-3507
Published online Jun 14, 2023. doi: 10.3748/wjg.v29.i22.3497
Figure 1
Figure 1 The procedure of per-oral endoscopic myotomy. A: Submucosal injection of methylene blue saline solution; B: Mucosal incision. The black arrow points to the inversed T-shaped incision; C: The submucosal tunnel establishment; D and E: Myotomy in the submucosal tunnel; F: Mucosal incision was closed with clips.