title: [Clinical study of colorectal lesions].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003108:Colonic Diseases / Q000453:epidemiology*; D003110:Colonic Neoplasms / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012002:Rectal Diseases / Q000453:epidemiology*; D012004:Rectal Neoplasms / Q000453:epidemiology