title: Once-only sigmoidoscopy.
abstract: The rationale for infrequent screening for colorectal cancers by sigmoidoscopy of the general population around age 60 is reviewed. A progress report for a trial to evaluate this approach is also presented.
authors.affiliation: Imperial Cancer Research Fund, London, UK. j.cuzick@icrf.icnet.uk
authors.forename: J
authors.initials: J
authors.lastname: Cuzick
mesh_terms: D000236:Adenoma / Q000175:diagnosis / Q000235:genetics / Q000473:pathology; D000368:Aged; D015179:Colorectal Neoplasms / Q000175:diagnosis* / Q000235:genetics / Q000473:pathology; D006801:Humans; D008875:Middle Aged; D016032:Randomized Controlled Trials as Topic; D012307:Risk Factors; D012812:Sigmoidoscopy / Q000191:economics / Q000379:methods; D013997:Time Factors; D016896:Treatment Outcome