 Accumulating clinical evidence suggests that epidermal growth factor receptor EGFR represents a viable target in the treatment of esophageal cancer. EGFR expression is associated with poor prognosis. Cetuximab, a monoclonal antibody, binds specifically to EGFR on both normal and tumor cells and competitively inhibits the binding of EGF and other ligands, such as transforming growth factor TGF-α. 