Epidermal growth factor receptor (EGFR) is expressed in 50% of NSCLCs, and its expression is correlated with poor prognosis. These two factors make EGFR and its family members prime candidates for ...

EGFR mutations are present in 10 to 15 percent of Western patients with NSCLC with adenocarcinoma histology and occur in 40 to 50 percent of Asian patients. EGFR ex19del or EGFR exon 21 L858R ...