Esophageal dilation or oesophageal dilatation (British English) is a therapeutic endoscopic procedure that enlarges the lumen of the esophagus.

[1] It can be used to treat a number of medical conditions that result in narrowing of the esophageal lumen, or decrease motility in the distal esophagus.

These include the following: There are three major classes of dilators:[citation needed] Complications of esophageal dilatation include the following:[citation needed]