IMRT

RECTUM, late rectal bleeding DVH description .

Thicker lines indicate higher rates of overall toxicity

• Late rectal toxicity: doses > 60 Gy • Convergence at the high dose range < 70 Gy and volumes < 20% • Uncertaint interpretation of the role of the intermediate doses?

Michalski et al, IJROBP vol 76, n3, S123-S129, 2010

QUANTEC Supplement 2010