...advanced NSCLC patients before dabrafenib and trametinib treatment were included...A BRAF p.(V600E) was identified in 35 patients and a p.(V600_K601delinsE) was observed in one patient.Patients with and without concurrent mutations had a PFS of 20.3 and 10.2 months...The patient with a BRAF p.(V600_K601delinsE) responded to the treatment and had a PFS of 5 months.