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. 2021 Oct 27;128(4):778–787. doi: 10.1002/cncr.33984

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© 2021 The Authors. Cancer published by Wiley Periodicals LLC on behalf of American Cancer Society.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Kaplan‐Meier curves of a survival analysis of patients who discontinued ICIs without disease progression: (A) OS, (B) PFS, (C) PFS according to the response to treatment, (D) OS according to the response to treatment, (E) PFS according to the cause of treatment discontinuation, and (F) PFS according to the duration of treatment. CI indicates confidence interval; CR, complete response; ICI, immune checkpoint inhibitor; OS, overall survival; PFS, progression‐free survival; PR, partial response; SD, stable disease.