title: Symposium: Newer diagnostic techniques: rectocolonic exfoliative cytology--a new approach.
mesh_terms: D003110:Colonic Neoplasms / Q000175:diagnosis*; D003581:Cytodiagnosis; D005260:Female; D006801:Humans; D008722:Methods; D008875:Middle Aged; D011300:Preoperative Care; D012004:Rectal Neoplasms / Q000175:diagnosis*; D012811:Sigmoid Neoplasms / Q000175:diagnosis; D020694:Sigmoidoscopes