Chung C.-S.Lin C.-K.Hsu W.-F.Lee T.-H.HSIU-PO WANGLiang C.-C.2021-01-152021-01-1520150815-9319https://www.scopus.com/inward/record.uri?eid=2-s2.0-84941207595&doi=10.1111%2fjgh.12982&partnerID=40&md5=73a38658a5233e24605db59974058313https://scholars.lib.ntu.edu.tw/handle/123456789/540976[SDGs]SDG3carbon dioxide; adult; case report; conservative treatment; endoscopic surgery; esophagography; esophagus achalasia; esophagus myotomy; follow up; human; male; megaesophagus; middle aged; Note; operation duration; oxygen nasal cannula; oxygen therapy; peroral endoscopic myotomy; pneumomediastinum; pneumoperitoneum; postoperative period; priority journal; scalpel; subcutaneous emphysema; digestive tract endoscopy; Esophageal Achalasia; Mediastinal Emphysema; pathology; pneumopericardium; Postoperative Complications; procedures; radiography; severity of illness index; thorax radiography; treatment outcome; Endoscopy, Digestive System; Esophageal Achalasia; Humans; Male; Mediastinal Emphysema; Pneumopericardium; Postoperative Complications; Radiography, Thoracic; Severity of Illness Index; Treatment OutcomeGastroenterology: Pneumomediastinum and pneumoperitoneum after peroral endoscopic myotomy: Complications or normal post-operative changes?note10.1111/jgh.12982263613612-s2.0-84941207595