EGFR and non-small cell lung carcinoma: The data (Table 1) suggest that the frequency of mutant subtypes in NSCLC patients harboring NSCLC patients with EGFR ex20ins mutations, with the highest frequency in A767_V769dupASV (V769_D770insASV), N771_H773dupNPH (H773_V 774i nsNPH), and S768_D770dupSVD (D770_N771insSVD) (33, 34).