- Locally advanced rectal cancer determined by any of the following features: 1.) Fixed or immobile tumor on physical exam and/or; 2.) T3 disease with invasion through the muscularis propria as defined by transrectal ultrasound, CT or MRI; 3.) T4 disease with invasion of adjacent structures such as pelvic sidewall, sacrum, pelvis, bladder and/or prostate as determined appropriate imaging modalities such as ultrasound, CT or MRI; 4.) Any T with + N on CT scan/MRI or transrectal ultrasound.