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. 2022 Jun 14;10:893387. doi: 10.3389/fpubh.2022.893387

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Copyright © 2022 Zheng, Lin, Zhu and Cai.

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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(A) Kaplan–Meier curve of the overall survival from the KEYNOTE-590 trial. (B) Simulate overall survival curve for pembrolizumab group and chemotherapy group. (C) Kaplan–Meier curve of progression-free survival from the KEYNOTE-590 trial. (D) Simulate progression-free survival curve for pembrolizumab group and chemotherapy group.