Encyclopedia of Cancer

Living Edition
| Editors: Manfred Schwab

Rectal Cancer

  • Stephanie Lim
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27841-9_7149-1

Synonyms

Definition

The rectum forms the distal end of the large bowel, approximately 12–15 cm in length extending from the taenia to the puborectalis ring. The dentate line forms the distal limit, which is the point where the squamous mucosa of the anus transitions to the columnar mucosa of the rectum. The rectum is divided into upper, middle, and lower regions. The peritoneum covers the upper third and anterior wall of the mid third but not the lower third of the rectum. Rectal cancer refers to carcinoma that arises from the rectal tissue. The location of a rectal cancer is defined by the distance from the dentate line.

Characteristics

Colorectal cancer is the third and second most common cancer in males and females respectively, based on the World Health Organization GLOBOCAN database. Rectal cancers comprise a third of these cases but carry a worse prognosis than colon cancers.

Presentation

Primary colorectal cancers can present with rectal bleeding,...

Keywords

Rectal Cancer Total Mesorectal Excision Transanal Endoscopic Microsurgery Tumor Regression Grade Radiation Cystitis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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References

  1. Edge SB, Compton CC (2010) The American Joint Committee on Cancer: the 7th edition of the AJCC cancer staging manual and the future of TNM. Ann Surg Oncol 17:1471–1474CrossRefPubMedGoogle Scholar
  2. Ferlay J, Soerjomataram I, Ervik M, Dikshit R, Eser S, Mathers C, Rebelo M, Parkin DM, Forman D, Bray F (2013) GLOBOCAN 2012 v1.0, Cancer incidence and mortality worldwide: IARC cancer base No. 11. International Agency for Research on Cancer, Lyon. http://globocan.iarc.fr. Accessed 14 Sept 2014
  3. National Comprehensive Cancer Network (NCCN) (2014) NCCN clinical practice guidelines in oncology. http://www.nccn.org/professionals/physician_gls/f_guidelines.asp. Accessed 14 Sept 2014

Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Medical OncologyIngham Research InstituteLiverpoolAustralia