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. 2016 Jan 27;5:85. doi: 10.1186/s40064-016-1712-9

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© Schmidt-Hansen 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.

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Fig. 2 — Breast cancer recurrence in the studies comparing SLND + ALND to SLND alone. Please note the following regarding the data included for ACOSOG ZOO11 for regional breast cancer recurrence: Regional recurrence defined as recurrence in the axillary, supraclavicular or internal mammary nodes. The authors only report local recurrence, axillary recurrence and locoregional recurrence. We have subtracted the local recurrence data from locoregional recurrence data to obtain the regional recurrence data, which is equal to the disease recurrence in the axilla data, suggesting that no patients recurred in the supraclavicular or internal mammary nodes, provided all these data only count each patient once. An entry of 0 in the total number of events column signifies that the study did not report this outcome