title: What is the optimal number of biopsies to diagnose a tumor found during colonoscopy?
authors.forename: Benjamin J
authors.initials: BJ
authors.lastname: Colleypriest
authors.forename: Peter F
authors.initials: PF
authors.lastname: Marden
authors.forename: John D
authors.initials: JD
authors.lastname: Linehan
mesh_terms: D001706:Biopsy / Q000379:methods; D003113:Colonoscopy / Q000379:methods*; D015179:Colorectal Neoplasms / Q000175:diagnosis* / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D012189:Retrospective Studies; D012680:Sensitivity and Specificity; D018709:Statistics, Nonparametric