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D000570:American Cancer Society; D003110:Colonic Neoplasms / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D017410:Practice Guidelines as Topic; D012004:Rectal Neoplasms / Q000175:diagnosis*; D014481:United States