RWD166 Prevalence of PD-L1 and Other Selected Biomarkers in Advanced Urothelial and Esophageal Carcinoma and Advanced Head and Neck Squamous Cell Carcinoma in Two Reference Institutions of Colombia
Abstract
Authors
F Hinestrosa J Urrego-Reyes C Beltran MA Gaitán Hemelberg J Escobar J Rodriguez AF Cardona