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. 2017 Jul 14;15:129. doi: 10.1186/s12916-017-0892-7

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© The Author(s). 2017

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. 3 — Kaplan–Meier curve of percentage of recurrence-free T1 CRC patients in relation to LN yield and presence of LNM. Green line: patients with T1 CRC without LNM and LN yield ≥ 10; orange line: patients with T1 CRC (with and without LNM) and LN yield ≥ 10; purple line: patients with T1 CRC without LNM and LN yield < 10; blue line: patients with T1 CRC (with and without LNM) and LN yield < 10; red line: patients with T1 CRC with LNM (irrespective of LN yield). The inset shows the same data on an enlarged y axis. Abbreviations: CRC: colorectal cancer; LN: lymph node; LNM: lymph node metastasis; nr: number