However, in a separate study, patients with NSCLC, harbouring EGFR point mutations (G719X, L858R, L861Q) or deletion 746ELREA750 in exon 19, benefited from either erlotinib/TarcevaTM or gefitinib/IressaTM treatment [82,83,88]. Here, EGFR is linked to non-small cell lung carcinoma.