BRAF and non-small cell lung carcinoma: Five discordant BRAF mutations were detected in NSCLC patients, four mutations (1 case p.G464V, 2 cases p.G469V, 1 case p.V600E were detected by NGS but not by RT-PCR and 1 variant (V600E/E2/D) detected by RT-PCR but not by NGS.