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First progression event in first 12 months of follow-up among patients with metastatic non-small-cell lung cancer epidermal growth factor receptor activating mutation following initiation of first-line treatment on an epidermal growth factor receptor tyrosine kinase inhibitor.
EGFRm: Epidermal growth factor receptor activating mutation; mNSCLC: Metastatic non-small-cell lung cancer; TKI: Tyrosine kinase inhibitor.
