Epidermal growth factor receptor (EGFR) [1, 2], Kirsten rat sarcoma viral oncogene homolog (KRAS) [3] and anaplastic lymphoma kinase (ALK) [4] are all significant biomarkers for the management of non-small-cell lung cancer (NSCLC). The gene discussed is EGFR; the disease is non-small cell lung carcinoma.