title: Rectal and anal endosonography.
authors.affiliation: Department of Surgery and Gastroenterology, John Radcliffe Hospital, Oxford.
authors.forename: N
authors.initials: N
authors.lastname: Mortensen
mesh_terms: D001003:Anal Canal / Q000000981:diagnostic imaging; D003362:Cost-Benefit Analysis; D006801:Humans; D009367:Neoplasm Staging; D011237:Predictive Value of Tests; D012004:Rectal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D012007:Rectum / Q000000981:diagnostic imaging*; D014463:Ultrasonography