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. 2018 Oct 11;19:738. doi: 10.1186/s12864-018-5093-z

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© The Author(s) 2018

Open Access This 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 — Plot of the non-linear t-SNE map of samples from 29-dimensional principal component space into two dimensions. Colors are the same as in the legend shown in Fig. 2. Primary tumors are plotted with an open circle, metastases with a hollow triangle, and normal samples with an asterisk