The POEM procedure is done to treat the swallowing disorder known as achalasia. Achalasia is a disorder of motility in the esophagus in which the esophagus has lost its normal ability to move food and ...

A British woman suffers from a rare condition that makes her vomit at least 60 times a day and she must stand up while eating ...

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 ...