Comparative analysis of patients transplanted due to hepatocellular carcinoma. Are there survival differences between those who meet the Milan criteria and those who exceed them? M.H. Mohamed-Chairi; A.B. Vico-Arias; N. Zambudio-Carroll; M.T. Villegas-Herrera; J.M. Villar-del-Moral;

Survival analysis of the surgical treatment of hepatocellular carcinoma at a tertiary care center C. Magadan Álvarez; J.M. Olmos-Martínez; E. González Tolaretxipi; A. Lozano Najera; E. Toledo Martínez; J.C. Rodríguez Sanjuan;

Experience in colorectal surgery at a quaternary care hospital in Bogotá, Colombia J.A. Romo; P.A. Aguilera; A. López; M. Pedraza; C. Figueroa;