1209 / 1708
3 D conformal
protons
IMRT
COCHLEA
RIGHT
LEFT
LARYNX PAROTIDE
GLANDS
RIGHT
LEFT
THYROID PINEAL
GLAND
BRAIN STEM ORAL
CAVITY
Max
57 Gy
57 Gy
Max
71 Gy
Mean
60 Gy
60 Gy
Mean
48 Gy
Mean
46 Gy
Max
56 Gy
60 Gy
Mean
45 Gy
Max
51 Gy
43 Gy
Max
48 Gy
Mean
20 Gy
27 Gy
Mean
43 Gy
Mean
47 Gy
Max
48 Gy
Mean
30 Gy
Max
52 Gy
42 Gy
Max
51 Gy
Mean
28 Gy
30 Gy
Mean
43 Gy
Mean
49 Gy
Max
50 Gy
Mean
33 Gy
Doses to
main critical
organs
NO OR SMALL
BENEFIT OF
IMRT AND
PROTONS