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. 2021 Aug 10;13:6309–6317. doi: 10.2147/CMAR.S314060

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© 2021 Xu et al.

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Kaplan–Meier estimates of intracranial progression-free survival with all patients in two cohorts, according to different types of brain metastases. (A) Solid brain metastases and cystic brain metastases (15.4 months vs 9.9 months, P=0.015). (B) Median iPFS between solid brain metastases and cystic brain metastases without targeted therapy (11.7 months vs 6.5 months, P=0.003).