Teaching Points
- The staging processes for Colon cancer and Rectal cancer are different
- In colon cancer, locoregional staging is often not indicated unless advanced disease is suspected. In this case, CT / USS of the abdomen and chest x-ray may be performed if surgical or management decisions are likely to change.
- In rectal cancer accurate staging pre-operatively is essential, as chemo-radiotherapy has been shown to be effective in certain groups.
- Endorectal US and Pelvic MRI are complimentary investigations.
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