title: Are proximal colorectal cancers always associated with distal adenomas?
authors.affiliation: Department of Medicine, University of Liverpool, Daulby St, Liverpool L69 3GA, UK. alastair.watson@liv.ac.uk
authors.forename: A J M
authors.initials: AJ
authors.lastname: Watson
mesh_terms: D000236:Adenoma / Q000473:pathology*; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008403:Mass Screening / Q000379:methods; D012812:Sigmoidoscopy