Patients with brain metastases seemed to have worse OS than those without brain metastases according to the Kaplan-Meier survival curve although their differences did not reach statistical significance ( P = .167; Figure 4 ).
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Local Therapy Combined With First-Line EGFR Tyrosine Kinase Inhibitor Achieves Favorable Survival in Patients With EGFR-Mutant Metastatic Non-Small Cell Lung Cancer.
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0.1670