Table 3 Lung target volume

Patient number

18

PTV^* (cc)

289 ± 327

Modulation factor

1.8 - 2.2

Pitch

0.172 - 0.43

Field width

2.5 - 5.02

Conformity index

2.33 ± 0.13

3.24 ± 0.30

0.009

Uniformity index

1.08 ± 0.01

1.06 ± 0 01

0.61

D95% (%)

95± 1

96 ± 1

0.23

Time (sec)

217 ± 16

235 ± 21

0.3

Lung

MLD^† (Gy)

10 ± 1

11 ± 1

0.68

V5 Gy (%)

43 ± 3

30 ± 3

0.005

V10 Gy (%)

29 ± 2

23 ± 2

0.1

V20 Gy (%)

16 ± 2

18 ± 2

0.55

V30 Gy (%)

10 ± 1

13 ± 2

0.15

V40 Gy (%)

7 ± 1

8 ± 1

0.25

V50 Gy (%)

4 ± 1

6 ± 1

0.14

Cord (maximum dose)

36 ± 3

38 ± 3

0.33