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. 2021 Mar 18;13:2613–2622. doi: 10.2147/CMAR.S298579

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© 2021 Wang et al.

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Correlations between overall survival (OS) and the presence of distant metastases. Kaplan–Meier curves comparing the OS of the patients with or without distant metastasis including (A) liver metastasis; (B) brain metastasis; and (C) lung metastasis.