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. 2020 Nov 12;10:594125. doi: 10.3389/fonc.2020.594125

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Copyright © 2020 Li, Cong, Liu, Peng, Wang, Feng, Yue, Li, Wang and Wang

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 survival curves. (A) PFS of 21 evaluable patients. (B) OS of the whole cohort. (C) PFS in patients with or without liver metastasis (p > 0.05). (D) PFS in patients with or without previous exposure to regorafenib (rego) (p > 0.05). Data cut-off date for survival results was July 15, 2020.