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Table 2 PTV dose evaluation

From: Tangent-based volumetric modulated arc therapy for advanced left breast cancer

 

TVMAT

VMAT

P value

mean

SD

mean

SD

PTV

CI

0.98

0.02

0.98

0.03

0.431

HI

0.12

0.03

0.11

0.05

0.177

PTV-CW

D98%[Gy]

49.2

0.9

48.8

2.3

0.449

D2%[Gy]

55.0

0.6

54.6

0.8

0.747

PTV-LN

D98%[Gy]

48.9

1.3

49.7

0.7

0.319

(SCF, ICF, AXLN, IMLN)

D2%[Gy]

55.0

0.7

54.4

0.9

0.117

  1. Abbreviations: TVMAT Tangent-based volumetric modulated arc therapy, VMAT Volumetric modulated arc therapy, SD Standard deviation, PTV Planning target volume, CW Chest wall, LN Lymph node region, SCF Supraclavicular fossa, ICF Infraclavicular fossa, AXLN Axillary lymph node region, IMLN Internal mammary lymph node region, CI Conformity index, HI Homogeneity index
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Radiation Oncology

ISSN: 1748-717X

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