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Table 2 Mean ± standard deviation for ipsilateral lung (all patients) and heart (only left-sided patients) dose metrics

From: Whole breast radiotherapy in prone and supine position: is there a place for multi-beam IMRT?

Technique

 

Ipsilateral lung

  

Heart

 
 

Dmean[Gy]

V20[%]

V25[%]

Dmean[Gy]

V20[%]

V25[%]

 

Prone

Supine

Prone

Supine

Prone

Supine

Prone

Supine

Prone

Supine

Prone

Supine

W-TF

1.2±0.6

7.7±4.5

0.9±1.0

13.5±10.2

0.7±0.8

12.1±9.3

1.9±1.1

3.9±3.4

1.2±0.6

4.9±1.9

0.8±1.7

4.0±5.8

TF-IMRT

1.1±0.5

5.7±3.1

0.5±0.7

9.8±7.0

0.3±0.5

8.5±6.4

1.6±0.5

3.3±2.5

0.4±0.2

3.4±1.4

0.3±0.6

2.9±4.3

MB-IMRT

0.9±0.4

5.1±2.6

0.2±0.4

7.6±6.2

0.1±0.3

6.4±5.5

1.6±0.4

2.5±1.7

0.3±0.1

1.9±0.9

0.2±0.3

1.4±2.2

  1. Abbreviations: D mean Mean dose, V 20 and V 25 Partial volume receiving at least 20 Gy and 25 Gy, respectively, W-TF Wedged tangential fields, TF-IMRT Tangential field intensity-modulated radiation therapy, MB-IMRT Multi-beam intensity-modulated radiation therapy.