a technique for lengthening a "short" esophagus; a full-thickness incision of the gastric cardia is made parallel to the lesser curvature, usually with a staple line to lengthen the esophagus by making a tube of the upper part of the stomach.
Collis,John Leighton, English thoracic surgeon, 1911–.
Collis antireflux operation
Collis gastroplasty - a technique for lengthening the esophagus.
Collis mouth gag