Subject(s)

Humans , Male , Female , Adult , Middle Aged , Aged , Adenocarcinoma/complications , Adenocarcinoma/pathology , Adenocarcinoma/epidemiology , Colonic Neoplasms/complications , Colonic Neoplasms/pathology , Colonic Neoplasms/epidemiology , Postoperative Period , Rectal Neoplasms/complications , Rectal Neoplasms/pathology , Rectal Neoplasms/epidemiology , Age Factors , Sex Distribution , Karnofsky Performance Status , Mexico/epidemiology