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Table 2 The average of the inferior and superior 20 to 80% (relative to prescription dose) penumbra of the planned 4D/AVE dose profiles and the difference between 4D and AVE doses for lung (P1, P2, and P3) and liver (P4, P5, and P6) phantoms

From: Impact of planned dose reporting methods on Gamma pass rates for IROC lung and liver motion phantoms treated with pencil beam scanning protons

 

P1

P2

P3

P4

P5

P6

4D

(mm)

13.1

14.2

19.9

11.5

12.9

16.9

AVE

(mm)

12.6

12.2

12.6

11.2

11.4

11.5

Difference

(mm)

0.5

2.0

7.3

0.3

1.5

5.4

  1. Abbreviations: 4D 4-dimensional, AVE average intensity