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New endoscopic classification of the cardiac orifice in esophageal achalasia: Champagne glass sign |
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| Authors: | Kuniyo Gomi Haruhiro Inoue Haruo Ikeda Robert Bechara Chiaki Sato Hiroaki Ito Manabu Onimaru Yohei Kitamura Michitaka Suzuki Jun Nakamura Yoshitaka Hata Shota Maruyama Kazuya Sumi Hiroshi Takahashi |
| Affiliation: | 1. Digestive Disease Center, Showa University Koto-Toyosu Hospital, Tokyo, Japan;2. Gastroenterology, Showa University Fujigaoka Hospital, Yokohama, Japan |
| Abstract: | |
| Keywords: | esophageal achalasia esophageal sphincter lower esophageal sphincter relaxation failure |