Journal of Neurogastroenterology and Motility : eISSN 2093-0887 / pISSN 2093-0879

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Fig. 1. Achalasia subtypes. (A) Type I (classic achalasia), there is no significant pressurization within the body of the esophagus. (B) Type II (achalasia with compression), there is rapid pan-esophageal pressurization. (c) Type III (spastic achalasia), this swallow shows spastic contraction.
J Neurogastroenterol Motil 2011;17:48~53
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