Volume

Motion model

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

Ave

V_PTV_3D

3D

19.1

17.0

12.2

12.5

17.0

21.6

13.8

5.4

13.8

23.2

15.6 ± 5.2

V_PTV_4D

4D

13.1

10.7

7.3

9.1

14.3

10.5

10.2

4.4

10.3

15.4

10.5 ± 3.2