NCIt definition : A surgical procedure that creates a fistula between the trachea and esophagus in a
patient who has previously undergone a total laryngectomy for the purpose of inserting
a voice prosthesis to allow for esophageal speech.;
Alternative definition : NCI-GLOSS: A small opening made by a surgeon between the esophagus and the trachea.
A valve keeps food out of the trachea but lets air into the esophagus for esophageal
speech.;