Laparoscopic Heller myotomy. This surgery can be done using a minimally invasive technique. It involves cutting the muscle at the lower end of the esophageal sphincter to allow food to pass more easily into the stomach.
Peroral endoscopic myotomy (POEM). In this procedure, an endoscope is inserted through the mouth and down the throat to create an incision in the inside lining of the esophagus. Then the surgeon cuts the muscle at the lower end of the esophageal sphincter.