Characterization of Liver Metastasis and Its Effect on Targeted Therapy in EGFR-mutant NSCLC: A Multicenter Study

EGFR mutation is not an independent risk factor for LM in NSCLC patients. However, the presence of LM is a negative predictive factor for first-line EGFR-TKI therapy for patients with EGFR-mutant NSCLC.