EGFR and non-small cell lung carcinoma: Regarding liver metastasis, although it has been reported as a poor prognostic factor for first‐ or second‐generation EGFR–TKIs in EGFR‐mutated NSCLC patients,30 our study found no significant association between liver metastasis and the PFS of third‐generation EGFR–TKI osimertinib.