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. 2016 Jun 21;4:32. doi: 10.1186/s40425-016-0138-9

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© Sridharan et al. 2016

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 — Increase serum VEGF levels at baseline are inversely correlated with tumor T-stage; p-values obtained via pairwise t-tests. T1 compared with T2 (p = 0.005), T1 compared with T3 (p = 0.03), T1 compared with T4 (p = 0.15), T2 compared with T3, T4 (p = 0.37)