Table 5 Maximum doses in organs at risk

Brain

27.91

25.67

<0.05

Uninvolved brain

27.64

25.56

<0.05

Brainstem

20.69

20.42

0.72

Optic chiasm

12.33

11.80

0.39

Left optic nerve

7.57

5.58

<0.05

Right optic nerve

8.13

6.90

0.09

Left optic tract

12.21

12.01

0.83

Right optic tract

13.56

12.98

0.45

Left eyeball

3.97

2.97

0.05

Right eyeball

3.58

2.58

0.08

Left lens

0.46

0.59

0.47

Right lens

0.54

0.46

0.61

Pituitary

10.73

9.85

0.16