Table 2 Characteristics of cases

Number of metastases

1

1

1

2

1

1

1

2

1

2

Site

Right frontal lobe

right semioval center

right parietal lobe

Right frontal-parietal lobe and right occipital lobe

Right occipital lobe

right lateral ventricle

Cerebellar

Right occipital lobe and left parietal lobe

Right temporal lobe

Right and left temporal lobe

Whole brain PTV (ml)

1796.12

1899.90

1440.29

1573.23

1581.73

1554.60

1769.70

1840.10

1583.20

1275.46

Diameter max. of metastasis (mm)

20

13

21

20

18

12

30

23

13

33

35

8

11

Boost PTV (ml)

10.75

7.25

15.23

13.68

11.01

5.77

21.88

12.10

5.28

25.92

51.01

1.43

4.79

Number of arcs - SIB

2

3

2

2

2

2

2

4

2

6

Number of arcs - SRS

2

2

2

2

2

2

2

4

2

6