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. 2021 Jan 16;3(1):vdab011. doi: 10.1093/noajnl/vdab011

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© The Author(s) 2021. Published by Oxford University Press, the Society for Neuro-Oncology and the European Association of Neuro-Oncology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 1. — Pre-operative cfDNA concentration is associated with progression-free and overall survival in GBM. Kaplan–Meier survival curves for progression-free survival (A) and overall survival (B) by pre-operative cfDNA concentration. Low vs. high plasma cfDNA designates patients below or above the median pre-operative cfDNA concentration of 25.2 ng/mL, respectively.