Rectal cancer

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Authors: Rodrigo Castilhos; Authors of integrated Creative Commons article[1] [notes 1]


Choice of modality

  • MRI of rectal cancer is generally mandatory for both primary staging and restaging of a known rectal cancer.[1]
  • Endorectal ultrasound (EUS) is indicated for:[1]
  • Staging for early tumours considered for local excision
  • Superior diagnostic performance for differentiating T1 from T2 tumors


  1. For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Radlines:Authorship for details.


  1. 1.0 1.1 1.2 Beets-Tan, Regina G. H.; Lambregts, Doenja M. J.; Maas, Monique; Bipat, Shandra; Barbaro, Brunella; Curvo-Semedo, Luís; Fenlon, Helen M.; Gollub, Marc J.; et al. (2017). "Magnetic resonance imaging for clinical management of rectal cancer: Updated recommendations from the 2016 European Society of Gastrointestinal and Abdominal Radiology (ESGAR) consensus meeting ". European Radiology 28 (4): 1465–1475. doi:10.1007/s00330-017-5026-2. ISSN 0938-7994.