Fig. 1

Patient Flowchart. We examined 132 patients with EGFR-mutated NSCLC confirmed by PCR clamp. The positive rate of EGFR mutation identification with cobas was 76%. Twenty-nine EGFR mutation negative samples underwent dissection and 24% were corrected to positive. Abbreviations: EGFR; epidermal growth factor receptor, NSCLC; non-small cell lung cancer