Erratum to: Eur Radiol
DOI 10.1007/s00330-016-4293-7
Owing to an oversight in typesetting, Fig. 2 was duplicated and Fig. 3 (below) omitted from the original publication. The mistake has since been corrected. The publisher apologises for this error and the inconvenience caused.
Fig. 3.
Example of an upper rectal tumour missed by computer-aided detection (CAD) in a screening patient. Image quality was judged to be good by both readers, with a small amount of residual fluid which was well tagged
Footnotes
The online version of the original article can be found at 10.1007/s00330-016-4293-7.

