Esophageal myotomy and gastroesophageal reflux.
D004931:Esophageal Achalasia / Q000601:surgery; D004935:Esophageal Diseases / Q000601:surgery; D004947:Esophagus / Q000502:physiology / Q000601:surgery*; D005764:Gastroesophageal Reflux / Q000209:etiology*; D006801:Humans; D010528:Peristalsis; D011183:Postoperative Complications / Q000209:etiology*; D011312:Pressure; D013035:Spasm / Q000601:surgery