In what situations do you obtain both a pelvic MRI and EUS for rectal cancer staging and treatment planning?
For instance, in borderline cases for neoadjuvant therapy (e.g. T2N1 disease), should both be obtained to increase accuracy?
Answer from: Radiation Oncologist at Community Practice
I'm not sure that T2N1 is boderline - preop CRT is still a standard of care for node positive disease.
Generally, thin slice (3mm or less) MRI with external (if available) or internal coil is the preferred staging modality for patients with newly diagnosed rectal cancer. Utilize the T2 images...
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