Rectal Cancer

  • Jose G. Bazan
  • Albert C. Koong
  • Daniel T. Chang
Part of the Medical Radiology book series (MEDRAD)


The rectum is approximately 15 cm long and is divided into upper, middle, and lower thirds based on the distance from the anal verge. The arterial supply to the rectum comes from the superior, middle, and inferior rectal arteries, which are branches of the inferior mesenteric artery.


Rectal Cancer Planning Target Volume Clinical Target Volume Gross Tumor Volume Preoperative Chemoradiation 
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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Jose G. Bazan
    • 1
  • Albert C. Koong
    • 1
  • Daniel T. Chang
    • 1
  1. 1.Department of Radiation OncologyStanford UniversityStanfordUSA

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