Fig. 4From: Comparison of fully coated anti-reflux metal stenting and per-oral endoscopic myotomy in patients with achalasia: a propensity score-matched retrospective studyTypical pictures before and after receiving stenting treatment. A Cardia satus before treatment under endoscopy. B Cardia satus after treatment under endoscopy. C Beak shape under barium esophagram before treatment. D Barium smoothly through the cardia after treatmentBack to article page