BACKGROUND: We evaluated outcome after laparoscopic esophageal diverticulectomy, myotomy, and partial fundoplication. METHODS: Patients with symptomatic achalasia and epiphrenic diverticula ...

The first was thought to have a duplication or true diverticulum of the esophagus; the more recently observed infant was recognized as having the same lesion, but the history of trauma at birth ...

The diverticulum is on the right and the true esophageal lumen is on the left. They are separated by a "bridge" of tissue.

The figures are stills from the linked videos. a; Classical achalasia, showing a dilated esophageal body bird beak-like narrowing of lower esophageal sphincter (see Video 1). b; Vigorous achalasia ...