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Forest plot showing analysis of median pooled PFS or TTP and 90% accuracy intervals during treatment with single-agent erlotinib, single-agent gefitinib or chemotherapy in all lines of treatment in patients with EGFR mutation-positive NSCLC. PFS: progression-free survival; TTP: time to progression; EGFR: epidermal growth factor receptor; NSCLC: non-small-cell lung cancer.
