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. 2022 Sep 9;13:975246. doi: 10.3389/fimmu.2022.975246

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Copyright © 2022 Hu, Huang, Wang, Li, Yang, Fu, Du, Zhao, Li, Ma and Hu

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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Kaplan-Meier estimates of progression-free survival (PFS) and overall survival (OS): (A) PFS in all patients; (B) OS in all patients; (C) PFS in patients receiving combination therapy with Eastern Cooperative Oncology Group (ECOG) score 0-1 and no more than 2 lines of prior therapy; (D) OS in patients receiving combination therapy with ECOG score 0-1 and no more than 2 lines of prior therapy.