ERBB1, better known as epidermal growth factor receptor (EGFR), overexpression has been described in many human tumours, including lung, colon, breast, prostate, brain, head and neck, thyroid, ovarian, bladder, kidney and also stomach cancer [6-11], and has been correlated to advanced tumour stage and poor clinical outcome. The gene discussed is EGFR; the disease is gastric cancer.