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. 2016 Aug 5;18:82. doi: 10.1186/s13058-016-0742-0

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© The Author(s). 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. 2 — Kaplan-Meier curves for recurrence-free survival (RFS) in relation to pathologic response after neoadjuvant chemotherapy in patients with estrogen-receptor-positive tumors. The solid line indicates patients with no response. Numbers of patients at risk for each group are shown above the x-axis. a Blue line indicates no residual invasive tumor in the breast and axilla (ypT0N0) (p = 0.41); b blue line indicates no residual invasive tumor in the breast (ypT0/is) (p = 0.29); c blue line indicates only a small number of scattered tumor cells in the breast (ypT < mic, i.e., a near-complete response) (p = 0.91)