An esophageal stent is a medical device that is used to treat strictures or narrowing in the esophagus. There are several synonyms for the term esophageal stent, including esophagus stent, esophagus tube, esophageal tube, and esophageal prosthesis. Esophageal tube is a term that refers to a tube-shaped device that is inserted into the esophagus to allow the patient to eat and drink. An esophageal prosthesis is a device that is designed to replace or repair a portion of the esophagus that has been damaged or removed. These synonyms are often used interchangeably to refer to medical devices that are used to treat conditions of the esophagus.