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Table 1 Relative contribution from head compensator, leakage and internal scatter to the dose to various organs.

From: Doses to internal organs for various breast radiation techniques - implications on the risk of secondary cancers and cardiomyopathy

Technique

Breast wedges

Breast IMRT

 

Internal scatter

Compensator

Head leakage

Internal scatter

Head leakage

Contralateral breast

11.7%

87.8%

0.5%

95.6%

4.4%

Spleen

34.7%

64.7%

0.5%

98.5%

1.5%

Ipsilateral lung

18.7%

79.2%

2.1%

90.1%

9.9%

Heart (anterior 1/3)

38.9%

60.1%

1.0%

97.6%

2.4%

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Radiation Oncology

ISSN: 1748-717X

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