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

Differences in risk factors, demographic and clinicopathologic characteristics at diagnosis between proximal and distal colon cancer: A multicenter retrospective cohort analysis R.A. Muñoz; F.J. Miranda; A.A. Ramírez; D. Regalado; J.C. Ortiz; G. Gallardo; S. Pizarro;

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;