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. 2021 Jul 22;12:706435. doi: 10.3389/fgene.2021.706435

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Copyright © 2021 Panda and Ganesan.

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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Correlation between IDO pathway expression and CD8A expression. Correlation between expressions of CD8A and (A) IDO-1, (B) IDO-2, (C) TDO-2, and (D) PD-L1 (the white lines mark Spearman Rho = 0.5). Cancer type acronyms are standard TCGA abbreviations (https://gdc.cancer.gov/resources-tcga-users/tcga-code-tables/tcga-study-abbreviations). FDR, false discovery rate. ESAD, esophageal adenocarcinoma; ESSC, esophageal squamous cell carcinoma.