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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.