What is the best way to stage rectal cancer?
It has been said that an educated finger is the best instrument; however, the overall accuracy of staging depends on the information desired and the modality chosen.
Staging guidelines are outlined in the below table; however, operator experience and judgment remain invaluable.
Estimated Accuracy of Rectal Cancer Staging Modalities
|Endoscopic Ultrasound (u)||Magnetic Resonance Imaging||Computed Tomography|