In a retrospective study (33), which analyzed 53 BRAF-V600E mutant advanced NSCLC patients, 9 patients (9/53, 17.0%) had concomitant EGFR mutation, with 5 EGFR 19del, 3 EGFR L858R and 1 EGFR T790M. The gene discussed is BRAF; the disease is non-small cell lung carcinoma.