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. 2021 Apr 28;11:657483. doi: 10.3389/fonc.2021.657483

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Copyright © 2021 Zhang, Dai, Tian, Li, Bai, Xu, Wang and Tang

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Effects of tumor stage, tumor grade, and tumor size on detectability of plasma ctDNA from patients with non-muscle-invasive bladder cancer. ctDNA detection rate of all samples grouped by (A) stage, (B) grade, (C) tumor size dichotomized at 3 cm. The detection rate of tumor variants in plasma ctDNA was compared in patients with (D) different tumor stages, (E) different tumor grades, (F) different tumor sizes. Each P-value was calculated with a Fisher’s exact test.