Correlation of gefitinib efficacy and detection of new EGFR mutation variants in pre-treated patients (pts) with advanced non- small cell lung cancer (NSCLC)

18062 Background: The efficacy of tyrosine kinase inhibitors (TKIs) of EGFR is associated with well characterized mutations on the exons 18, 19 and 21 of EGFR gene. Less common mutations could be d...