title: Colorectal neoplasia. Current techniques for early diagnosis.
mesh_terms: D001706:Biopsy; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000473:pathology; D003581:Cytodiagnosis / Q000379:methods; D004724:Endoscopy; D006801:Humans; D009780:Occult Blood; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000473:pathology