Colon tumor location: Right side versus left side as a prognostic factor for colon cancer survival: Analysis of a retrospective cohort S.P. Molina-Meneses; L.J. Palacios-Fuenmayor; F.D. Molina-Mercado; D.F. Caycedo-Medina; R. Castaño-Llano; L.R. Gómez-Wolff; Y.E. Pérez-García;

Case report: Adenocarcinoma of the rectum with implantation metastasis in the perianal region F. Barreda; R. Cruz; H. Benites-Goñi; C. Barreda; J. Alférez;

Hepatocellular carcinoma in Peru: A molecular description of an unconventional clinical presentation J. Contreras-Mancilla; J.P. Cerapio; E. Ruiz; R. Fernández; S. Casavilca-Zambrano; C. Machicado; J.J. Fournié; P. Pineau; S. Bertani;