We retrospectively analyzed 236 patients and tested for TP53-and EGFR-mutant status in metastasis LUAD patients who had received first-line EGFR-tyrosine kinase inhibitors (TKIs) treatment….Subgroup analysis revealed longer median PFS and OS in TP53 wildtype group compared to the TP53 mutant group in L858R patients and not significant in EGFR Exon 19 deletion patients.