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Moving knife tip on the thoracic aorta: High‐risk submucosal tunneling endoscopic resection procedure for a puzzling submucosal mass in the esophagus |
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| Authors: | Wengang Zhang Ningli Chai Enqiang Linghu |
| Affiliation: | Department of Gastroenterology, Chinese PLA General Hospital, Beijing, China |
| Abstract: | |
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