IMRT 2018

Late rectal toxicity

RTOG ≥2 late rectal toxicity often reported • Grade 2: moderate diarrhea and colic, bowel movement more than five times daily, excessive rectal mucus, or intermittent bleeding • Grade 3: obstruction or bleeding requiring surgery • Grade 4: necrosis/perforation/fistula - rarely encountered in current practice

06/06/2018