EGFR and neoplasm: Twenty-four of the NGS-screened 29 patients were monitored, and the tumor responses and PFS clustered correspondingly (Fig. 3A); 5 of 10 (50%) patients with short PFS had progressive disease whilst on EGFR-TKI treatment and 13 of 14 (92.9%) patients with long PFS had a partial response to EGFR-TKIs.