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. 2015 Sep 12;48(1):50. doi: 10.1186/s40659-015-0042-7

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© Almeida et al. 2015

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 — Colorectal cancer tissue obtained after surgery. The tissue was separated into tumor, proximal margin (2 cm), distal margin (5 cm)