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. 2015 Aug 4;18(4):358–364. doi: 10.1038/pcan.2015.36

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Copyright © 2015 Macmillan Publishers Limited

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/

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CTC^pos status at baseline and at any time point correlates with a decrease in time to biochemical failure following adjuvant or salvage radiotherapy. (a) Percentage of patients with circulating tumor cells (CTCs) absent (CTC^neg/-; n=45) versus CTCs present (CTC^pos/+; n=9) at baseline who are biochemical failure free over a 36-month period. (b) Percentage of patients with CTC^neg (n=38) at all time points versus CTC^pos (n=16) at any time point who are biochemical failure free over a 36-month period.