Cancer of the colon and rectum: anal cancer in northeast Brazil.
D000328:Adult; D001005:Anus Neoplasms / Q000453:epidemiology / Q000473:pathology / Q000628:therapy; D001938:Brazil; D005260:Female; D006801:Humans; D008297:Male; D012004:Rectal Neoplasms / Q000453:epidemiology / Q000473:pathology