EGFR and non-small cell lung carcinoma: The mean (median) time from the first documented NSCLC metastasis date to 1L treatment initiation was 3.5 (1.1) months, and the mean (median) time from the first recorded EGFR-positive (Ex19del/L858R) test or test result date to 1L initiation was 2.7 (0.5) months.