EGFR and non-small cell lung carcinoma: The objective of this study was to evaluate the concordance of two commercial EGFR mutation tests: an RT-PCR method cobas EGFR mutation test v2 (cobas v2) and a PNA-based PCR method PANAMutyper R EGFR (PANAMutyper) in tumor tissue and plasma from NSCLC patients.