IMRT 2018

Modulation degree vs MUs

• Decrease dose to OARs => more modulated IMRT plans => more Monitor Units

IMRT1 IMRT2 Monitor units Monitor units 76 99 57 105 48 72 53 59 76 122 59 101 Total 369 Total 558

IMRT1 IMRT2 Low constraint on OARs High constraint on OARs