EGFR and breast cancer: Tumor cells mainly express these receptors such as basal-type cytokeratins, P-calmodulin, epidermal growth factor receptor and p53, androgen receptor, E-calmodulin and cyclin D. Compared with conventional breast cancer, the disease-free survival and overall survival were significantly shorter, but the incidence of visceral metastases was higher than that of bone metastases.[11–14]