title: Can symptomatic cancer be distinguished from screen detected cancer?
authors: University of Pittsburgh, Pittsburgh, Pennsylvania.
authors: Robert E
authors: RE
authors: Schoen
authors: National Cancer Institute, Bethesda, Maryland.
authors: Paul F
authors: PF
authors: Pinsky
mesh_terms: D000236:Adenoma / Q000473:pathology*; D003111:Colonic Polyps / Q000473:pathology*; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male