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MELD 3.0 PERFORMANCE: EXTERNAL VALIDATION IN A LATIN AMERICAN TRANSPLANT LIVER COHORT Josefina Pages Maronese; Federico Piñero; Graciela Castro Narro; Yahvé Iván López Méndez; Ignacio Roca; Nicolas Dominguez; Fernando Cairo; Angelo Z. Mattos; Natalia Baumgartner Ayres; Bertha Eliana Cárdenas Ramírez; Estefania Liza Baca; Julio Benitez Perez; Alejandra Villamil; Alexandra Ginesta; Rodrigo Zapata; Gustavo Pereira; Florencia Antinucci; Aldo Torre Delgadillo; Marcelo Silva; Manuel Mendizabal;

P-53 IMMUNE-MEDIATED ADVERSE EVENTS FOLLOWING ATEZOLIZUMAB PLUS BEVACIZUMAB IS ASSOCIATED WITH DECREASED SURVIVAL IN PATIENTS WITH CIRRHOSIS FEDERICO PIÑERO; Margarita Anders; Carla Bermúdez; Ezequiel Demirdjian; Adriana Varón; Daniela Perez; Jorge Rodriguez; Oscar Beltrán; Javier Delgado García; Leonardo Gomes da Fonseca; Ezequiel Ridruejo; Pablo Caballini; Alexandre Araujo; Juan Diego Torres Florez; Juan Ignacio Marín; Marina Villa; Federico Orozco Ganem; Jaime Poniachik; Sebastián Marciano; Fernando Bessone; Marcelo Silva; Manuel Mendizabal;