Wu Wu JY JY Wu Wu SG SG Yang Yang CH CH Gow Gow CH CH Chang Chang YL YL Yu Yu CJ CJ Lung cancer with epidermal growth factor receptor exon 20 mutations is associated with poor gefitinib treatment response Lung cancer with epidermal growth factor receptor exon 20 mutations is associated with poor gefitinib treatment response Clin Cancer Res Clin Cancer Res 2008 2008 14 14 4877 4877 10.1158/1078-0432.ccr-07-5123 10.1158/1078-0432.ccr-07-5123 18676761 18676761. Here, EGFR is linked to lung carcinoma.