Whereas, 11.8% of human breast cancer samples exhibited high expression of EGFR (3 +) and 25.4% of human breast cancer samples exhibited low expression of EGFR (1 + and 2 +), and 62.9% of human breast cancer samples did not express EGFR protein (IHC score 0) [18]. The gene discussed is EGFR; the disease is breast carcinoma.