Cancer epidemiology-part V.
D003110:Colonic Neoplasms / Q000453:epidemiology; D005770:Gastrointestinal Neoplasms / Q000453:epidemiology*; D006801:Humans; D012004:Rectal Neoplasms / Q000453:epidemiology; D013274:Stomach Neoplasms / Q000453:epidemiology; D014481:United States