Argentinian clinical practice guideline for surveillance, diagnosis, staging and treatment of hepatocellular carcinoma Federico Piñero; Mario Tanno; Gabriel Aballay Soteras; Matías Tisi Baña; Melisa Dirchwolf; Eduardo Fassio; Andrés Ruf; Silvia Mengarelli; Silvia Borzi; Nora Fernández; Ezequiel Ridruejo; Valeria Descalzi; Margarita Anders; Guillermo Mazzolini; Virginia Reggiardo; Sebastián Marciano; Florencia Perazzo; Juan Carlos Spina; Lucas McCormack; Martín Maraschio; Cecilia Lagues; Adrián Gadano; Federico Villamil; Marcelo Silva; Fernando Cairo; Beatriz Ameigeiras;

O-12 CHARACTERIZATION AND UTILIZATION OF HCV-POSITIVE DONORS IN ARGENTINA Manuel Mendizabal; Margarita Anders; Ariel Antik; Federico Piñero; Gabriela Hidalgo; Daniela Hansen Krogh; Viviana Tagliafichi; Marcelo Silva; Liliana Bisigniano;

Failure in all steps of hepatocellular carcinoma surveillance process is frequent in daily practice Melisa Dirchwolf; Sebastián Marciano; Andres E. Ruf; Amit G. Singal; Vanina D'Ercole; Paola Coisson; Alina Zerega; Federico Orozco; Ana Palazzo; Eduardo Fassio; Diego Arufe; Margarita Anders; Claudia D'Amico; Luis Gaite; Marcos Thompson; Daniela Perez; Leila Haddad; Ezequiel Demirdjian; Moira Zunino; Adrián Gadano; María Dolores Murga; Carla Bermudez; Jesica Tomatis; Nadia Grigera; Florencia Antinucci; Manuel Baravalle; Maria Mercedes Rodriguez Gazari; Melina Ferreiro; Manuel Barbero; Andrea Curia; Manuel Demonte; Gisela Gualano;