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. 2021 Aug 6;11:686044. doi: 10.3389/fonc.2021.686044

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Copyright © 2021 Yang, Li, Qin, Zhang, Zhao, Wang, Huang and Yang

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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The expression of immune checkpoint molecules including PD1, PDL1, and CTLA4 between the high-risk and the low-risk group in TCGA and GEO cohorts. (A) Box plots show the differences in the expression of PD1, PDL1, and CTLA4 between the high-risk and low-risk group in the TCGA cohort. (B) Box plots show the differences in the expression of PD1, PDL1, and CTLA4 between the high-risk and the low-risk group in the GEO cohort.