EGFR and non-small cell lung carcinoma: In the patients who received 3G EGFR-TKIs after failing 1L EGFR-TKIs, the median OS was 44.4 months (95% CI: 38.9–49.9) and 34.6 months (95% CI: 29.8–39.4) for common EGFR mutation-positive NSCLC and uncommon EGFR mutation-positive NSCLC, respectively.