Identification of prognostic factors for survival in patients with metastatic gastric adenocarcinoma in a Mexican population A.M. León; W.B. Hall; L.S. Lino; R.A Salcedo; J.S. García; G. Miranda; R. Hernández; A. Herrera; C. Zepeda;

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;