IMRT 2018

…continued

• Occurrence of urgency correlated to incontinence and frequency

• No significant different toxicities with 3D-CRT vs IRMT

• All mean doses higher in the group with urgency

Dose constraints:

•

OAR

Mean dose limit (Gy)

Internal anal surface

30

External anal surface

10

Puborectalis muscle

50

Levator ani muscle

40

• Endorectal balloon: fewer complaints in this group (28pts)

06/06/2018