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. 2019 Mar 11;19:216. doi: 10.1186/s12885-019-5416-8

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — OS curves for gastric cancer patients who underwent radical surgical resection. a Log-rank test for overall survival: N0 with LVI- versus N0 with LVI+, p < 0.001. b Log-rank test for overall survival: N0 with LVI+ versus N0 with LVI-, N1, N2, N3, p < 0.001. OS: overall survival, LVI: lymphovascular invasion, LVI−/+: negative/positive LVI