Abbreviations
From the following article
Surgical treatment for achalasia
Jedediah A. Kaufman, Dave R. Lal and Brant K. Oelschlager
GI Motility online (2006)
doi:10.1038/gimo53
CT
computed tomography
EM
extended myotomy
GEJ
gastroesophageal junction
GER
gastroesophageal reflux
GERD
gastroesophageal reflux disease
LES
lower esophageal sphincter
SM
short myotomy
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