title: [Synchronous neoplasias in colorectal cancer].
authors.forename: E
authors.initials: E
authors.lastname: de Lascurain
mesh_terms: D015179:Colorectal Neoplasms / Q000453:epidemiology*; D006801:Humans; D008800:Mexico; D009378:Neoplasms, Multiple Primary / Q000453:epidemiology*; D014481:United States