*P < 0.05.
PFS< progression-free survival; OS, overall survival; EGFR,
epidermal growth factor receptor; TKI, tyrosine kinase inhibitor; HR,
hazard ratio; CI, confidence interval; ECOG-PS, Eastern Cooperative
Oncology Group–Performance Status; BMI, body mass index; GRIm-Score,
Gustave Roussy Immune Score.