ERCC1 in Advanced Biliary Tract Cancer Patients Treated with Chemotherapy: Prognostic and Predictive Roles

Background In oncology, we tend to look for factors that reflect better prognosis or predict response to treatments in order to make a selection from which patients will derive the benefit, avoiding futile therapies and/or toxicities. Definitive prognostic and predictive factors in advanced biliary cancer remain unknown.