ESTRO
2015
(a)
IMPT
(b)
IMXT
(c)
DIFFERENCE
(x-rays - protons)
0
5.4
11
16
22
27
32
44
Diff (Gy)
Image from M. Goitein, Radiation Oncology:
A physicist's-eye-view Springer, 2007.
IMRT and IMPT for Ewing sarcoma