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Table 1 Dose statistics comparison

From: Effective heart-sparing whole lung irradiation using volumetric modulated arc therapy: a case report

Structure

VMAT

AP–PA

PTV

 D98 (Gy)

11.1

11.3

 D95 (Gy)

11.4

11.8

 D2 (Gy)

12.4

13.1

Heart

 V4.5 (%)

86.5

100.0

 V8 (%)

58.7

100.0

 V10 (%)

40.7

100.0

 V11 (%)

28.3

100.0

 V11.8 (%)

13.0

99.8

 Mean (Gy)

8.5

12.3

Liver

 Mean (Gy)

6.2

9.9

Thyroid gland

 Mean (Gy)

1.6

8.2

Homogeneity index

 

0.111

0.147

  1. AP–PA anteroposterior–posteroanterior field, PTV planning target volume, VMAT volumetric modulated arc therapy