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Approximately 10%–15% patients with epidermal growth factor receptor (EGFR) mutations harbor non-classical mutations. However, the effects of EGFR-tyrosine kinases (TKIs), particularly second-generation EGFR-TKI (afatinib) compared to first-generation EGFR-TKIs (gefitinib/erlotinib), in patients with non-classical EGFR mutations remain unknown.We conducted this retrospective study at the China Medical...
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