Megaesophagus in a colt.
D000818:Animals; D004576:Electromyography; D004931:Esophageal Achalasia / Q000175:diagnosis / Q000601:surgery / Q000662:veterinary*; D006734:Horse Diseases / Q000175:diagnosis / Q000601:surgery*; D006736:Horses; D008297:Male; D008722:Methods; D011182:Postoperative Care