title: Erratum to: Appearances of screen-detected versus symptomatic colorectal cancers at CT colonography.
authors.affiliation: Centre for Medical Imaging, University College London, London, UK.
authors.forename: Andrew A
authors.initials: AA
authors.lastname: Plumb
authors.affiliation: Centre for Medical Imaging, University College London, London, UK.
authors.forename: Fiona
authors.initials: F
authors.lastname: Pathiraja
authors.affiliation: Public Health England, Fulwood House, Sheffield, UK.
authors.forename: Claire
authors.initials: C
authors.lastname: Nickerson
authors.affiliation: Department of Surgery and Cancer, Imperial College London, London, UK.
authors.forename: Katherine
authors.initials: K
authors.lastname: Wooldrage
authors.affiliation: Intestinal Imaging Centre, St Mark's Hospital, Harrow, UK.
authors.forename: David
authors.initials: D
authors.lastname: Burling
authors.affiliation: Centre for Medical Imaging, University College London, London, UK.
authors.forename: Stuart A
authors.initials: SA
authors.lastname: Taylor
authors.affiliation: Department of Surgery and Cancer, Imperial College London, London, UK.
authors.forename: Wendy S
authors.initials: WS
authors.lastname: Atkin
authors.affiliation: Centre for Medical Imaging, University College London, London, UK. s.halligan@ucl.ac.uk.
authors.forename: Steve
authors.initials: S
authors.lastname: Halligan