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Table 1 Target volumes and OAR volumes for FB and DIBH CT techniques (cm 3 )

From: Reduced lung dose during radiotherapy for thoracic esophageal carcinoma: VMAT combined with active breathing control for moderate DIBH

Volume

FB (cm3)

DIBH (cm3)

T

p

  GTV

52.58 ± 19.72

46.40 ± 20.78

0.610

0.552

  PTV

396.11 ± 72.43

270.91 ± 87.02

2.259

0.040

  Total lung

4039.40 ± 79.86

6161.60 ±80.85

-5.282

0.000

  Heart

621.08 ± 66.84

497.80 ± 86.58

3.188

0.007

  1. GTV Gross tumor volume, PTV Planning target volume.
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Radiation Oncology

ISSN: 1748-717X

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