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. 2019 Apr;31(2):357–365. doi: 10.21147/j.issn.1000-9604.2019.02.10

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Copyright © 2019 Chinese Journal of Cancer Research. All rights reserved.

This work is licensed under a Creative Commons Attribution-Non Commercial-Share Alike 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/

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Flowchart of severe dysplasia/carcinoma in situ (SD/CIS) patients in this population-based study. SD/CIS patients were divided into two groups by whether they received endoscopic treatments (EMR, MBM or ESD). EMR, endoscopic mucosal resection; MBM, multiband mucosectomy; ESD, endoscopic submucosal dissection; ESCC, esophageal squamous cell carcinoma.