EGFR and non-small cell lung carcinoma: We recently showed 74% response rate to oral tyrosine kinase inhibitor among Indian NSCLC patients with activating mutation of EGFR compared to 5% among patients with wild type EGFR, emphasizing EGFR mutation as an important predictive marker for response to oral tyrosine kinase inhibitors in a clinically selected small cohort of 111 patients of Indian origin [16].