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Table 2 Mean CTV variations from the planning CT over time for the entire cohort

From: Anatomic change over the course of treatment for non–small cell lung cancer patients and its impact on intensity-modulated radiation therapy and passive-scattering proton therapy deliveries

 

Weeks (deviations in mm)

1 (mm)

2 (mm)

3 (mm)

4 (mm)

5 (mm)

6 (mm)

GTV

Entire cohort

4.85 ± 2.03

6.61 ± 3.01

7.06 ± 3.23

7.92 ± 3.78

8.19 ± 4.18

8.98 ± 4.55

With ART

5.98 ± 2.17

7.58 ± 2.82

9.04 ± 3.23

9.91 ± 3.04

10.31 ± 3.47

11.46 ± 4.54

No ART

3.86 ± 1.28

5.65 ± 3.01

5.20 ± 1.88

6.06 ± 3.50

6.34 ± 3.92

6.81 ± 3.38

CTV

Entire cohort

4.90 ± 1.90

6.39 ± 2.82

6.87 ± 3.06

7.51 ± 3.48

7.79 ± 3.88

8.50 ± 4.18

With ART

5.99 ± 1.97

7.22 ± 2.62

8.56 ± 3.27

9.32 ± 2.81

9.75 ± 3.37

10.71 ± 4.45

No ART

3.94 ± 1.24

5.66 ± 2.87

5.28 ± 1.79

5.81 ± 3.24

6.08 ± 3.54

6.56 ± 2.84

  1. GTV internal gross tumor volume, CTV clinical target volume, ART adaptive radiotherapy