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Table 3 Time-averaged mean GTV and CTV variations from the planning CT within different groups

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

 

Group

Non-adaptive (mm)

Adaptive (mm)

p value

GTV

Entire cohort

6.07 ± 2.63

9.41 ± 2.17

0.001

PSPT

5.20 ± 1.66

9.76 ± 2.01

< 0.001

IMRT

6.94 ± 3.21

9.06 ± 2.41

0.159

CTV

Entire cohort

5.90 ± 2.33

8.93 ± 2.19

0.001

PSPT

5.19 ± 1.59

9.24 ± 1.85

< 0.001

IMRT

6.61 ± 2.82

8.63 ± 2.57

0.156

  1. GTV internal gross tumor volume, CTV clinical target volume, IMRT intensity-modulated (photon) radiation therapy, PSPT passive-scattering proton therapy
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Radiation Oncology

ISSN: 1748-717X

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