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. 2018 Oct 17;10:4695–4708. doi: 10.2147/CMAR.S178271

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© 2018 Zhang et al. This work is published and licensed by Dove Medical Press Limited

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Publication bias assessment for OS (A), CSS (B), EFS (C), tumor grade (D), LVI (E), pT (F) and pN (G).

Abbreviations: CSS, cancer-specific survival; EFS, event-free survival; LVI, lymphovascular invasion; OS, overall survival.