EGFR and non-small cell lung carcinoma: In NSCLC, EGFR mutations display a heterogeneous representation depending on ethnicity and region, accounting for 40–60% in South-East Asian patients, 9–67% in patients from the Americas, 22–27% in patients from the Indian subcontinent, around 12% in African Americans, and 10–20% in Caucasian patients [4,6,7].