Peroral endoscopic myotomy for esophageal muscular ring.

The article presents a case study of a 22-year old man with 5-year history of dysphagia who was treated using peroral endoscopic myotomy (POEM). He was diagnosed with lower esophageal muscular ring and underwent POEM procedure through conventional tunneling method. It mentions that the patient reported the disappearance of dysphagia a month later.