EGFR and non-small cell lung carcinoma: The need for accurate mutation detection from Non-Small Cell Lung Cancer (NSCLC) tumour tissue has become established, along with the need to identify potential responders to personalized medicines such as tyrosine kinase inhibitors (TKIs); e.g. EGFR TKIs, erlotinib, gefitinib and the T790M directed TKI osimertinib)[1].