Fig. 1. Algorithm of enrolled patients. CC v3.0, Chicago classification version 3.0; CC v4.0, Chicago classification version 4.0; EGJ, esophagogastric junction; HRM, high-resolution manometry; POEM, peroral endoscopic myotomy; WNL, within normal limit.

J Neurogastroenterol Motil 2023;29:326~334 https://doi.org/10.5056/jnm22121

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