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Table 2 OAR dose volume parameters

From: Whole breast and regional nodal irradiation in prone versus supine position in left sided breast cancer

Organs at Risk   Axilla prone Axilla supine Significance Partial axilla prone Partial axilla supine Significance
Heart
  Volume (ml) 631 ± 109 649 ± 141 - 631 ± 109 649 ± 141 -
  Dmean (Gy) 2.38 ± 0.28 2.52 ± 0.59 - 2.24 ± 0.85 2.83 ± 0.61 -
  D02 (Gy) 14.83 ± 1.64 14.02 ± 5.60 - 16.18 ± 10.22 18.75 ± 7.94 -
  V5 (%) 7.10 ± 1.93 6.83 ± 3.56 - 6.60 ± 4.32 7.79 ± 2.32 -
  V10 (%) 3.47 ± 0.92 3.51 ± 2.35 - 3.69 ± 2.86 4.12 ± 1.91 -
  V20 (%) 1.04 ± 0.39 1.23 ± 1.20 - 1.60 ± 1.86 1.90 ± 1.45 -
  V30 (%) 0.10 ± 0.18 0.06 ± 0.05 - 0.66 ± 1.10 0.64 ± 1.02 -
Ipsilateral lung
  Volume (ml) 1240 ± 364 1158 ± 290 - 1240 ± 364 1158 ± 290 -
  Dmean 5.52 ± 0.73 7.51 ± 1.03 P < 0.05 4.22 ± 0.53 6.82 ± 1.35 P < 0.05
  D02 28.44 ± 1.16 34.28 ± 4.05 P < 0.05 29.71 ± 1.83 34.19 ± 1.93 P < 0.05
  V5 28.85 ± 1.62 35.35 ± 2.11 P < 0.05 20.32 ± 3.09 31.81 ± 5.45 P < 0.05
  V10 16.91 ± 2.94 23.80 ± 2.77 P < 0.05 11.82 ± 1.30 20.54 ± 5.39 P < 0.05
  V20 7.13 ± 1.69 13.59 ± 3.22 P < 0.05 5.65 ± 1.03 11.47 ± 4.03 P < 0.05
  V30 1.50 ± 0.47 5.49 ± 3.46 P < 0.05 1.94 ± 0.80 5.01 ± 2.54 P < 0.05
Contralateral lung
  Volume (ml) 1536 ± 303 1458 ± 318 - 1538 ± 303 1458 ± 318 -
  Dmean 0.35 ± 0.04 0.60 ± 0.09 P < 0.05 0.31 ± 0.05 0.84 ± 0.25 P < 0.05
  D02 0.93 ± 0.06 1.93 ± 0.21 P < 0.05 0.90 ± 0.10 4.28 ± 2.95 P < 0.05
  V5 0.00 ± 0.00 0.04 ± 0.07 - 0.00 ± 0.00 1.30 ± 1.67 -
  V10 0.00 ± 0.00 0.01 ± 0.03 - 0.00 ± 0.00 0.45 ± 0.58 -
  V20 0.00 ± 0.00 0.00 ± 0.00 - 0.00 ± 0.00 0.01 ± 0.01 -
  V30 0.00 ± 0.00 0.00 ± 0.00 - 0.00 ± 0.00 0.00 ± 0.00 -
Contralateral breast
  Volume (ml) 703 ± 235 665 ± 232 - 703 ± 235 665 ± 232 -
  Dmean 0.33 ± 0.07 0.83 ± 0.30 P < 0.05 0.36 ± 0.10 1.01 ± 0.28 P < 0.05
  D02 1.07 ± 0.16 2.54 ± 0.84 P < 0.05 1.30 ± 0.45 3.31 ± 1.70 P < 0.05
  V5 0.02 ± 0.05 0.20 ± 0.23 P < 0.05 0.03 ± 0.04 0.86 ± 1.45 -
  V10 0.00 ± 0.00 0.00 ± 0.00 - 0.00 ± 0.00 0.00 ± 0.00 -
  V20 0.00 ± 0.00 0.00 ± 0.00 - 0.00 ± 0.00 0.00 ± 0.00 -
  V30 0.00 ± 0.00 0.00 ± 0.00 - 0.00 ± 0.00 0.00 ± 0.00 -
Thyroid
  Volume (ml) 22 ± 14 19 ± 15 - 22 ± 14 19 ± 15 -
  Dmean 5.38 ± 1.37 10.96 ± 4.11 P < 0.05 7.05 ± 1.64 12.21 ± 3.69 P < 0.05
  D02 18.63 ± 7.53 36.04 ± 3.00 P < 0.05 33.91 ± 3.00 36.83 ± 1.88 P < 0.05
  V5 28.29 ± 6.33 47.29 ± 19.64 P < 0.05 32.55 ± 8.44 50.32 ± 19.46 P < 0.05
  V10 17.48 ± 4.82 37.49 ± 16.60 P < 0.05 23.55 ± 5.95 40.15 ± 16.76 P < 0.05
  V20 7.64 ± 4.82 24.66 ± 11.42 P < 0.05 13.73 ± 4.58 28.07 ± 9.88 P < 0.05
  V30 2.57 ± 2.13 12.57 ± 7.46 P < 0.05 5.47 ± 2.63 17.21 ± 7.72 P < 0.05
Oesophagus
  Volume (ml) 35 ± 16 27 ± 12 P < 0.05 35 ± 16 27 ± 12 P < 0.05
  Dmean 1.11 ± 0.09 1.74 ± 0.78 P < 0.05 1.12 ± 0.14 2.88 ± 1.75 P < 0.05
  D02 3.36 ± 1.80 8.33 ± 8.96 - 4.49 ± 2.09 16.92 ± 14.49 P < 0.05
  V5 1.00 ± 1.53 3.73 ± 5.14 - 1.70 ± 1.83 9.91 ± 8.21 P < 0.05
  V10 0.06 ± 0.08 1.85 ± 4.03 - 0.26 ± 0.32 6.25 ± 8.12 -
  V20 0.00 ± 0.00 0.87 ± 1.94 - 0.00 ± 0.00 3.42 ± 4.83 -
  V30 0.00 ± 0.00 0.00 ± 0.00 - 0.00 ± 0.00 1.53 ± 2.59 -
Humeral Head
  Volume (ml) 57 ± 15 63 ± 23 - 57 ± 15 63 ± 23 -
  Dmean 9.75 ± 3.75 7.74 ± 2.94 - 9.85 ± 3.64 10.69 ± 3.33 -
  D02 21.90 ± 1.49 25.08 ± 7.98 - 23.39 ± 2.10 27.22 ± 3.37 -
  V5 69.76 ± 22.06 47.14 ± 23.45 - 64.46 ± 20.25 56.82 ± 13.37 -
  V10 45.47 ± 31.68 23.87 ± 15.82 - 43.80 ± 25.85 45.89 ± 16.08 -
  V20 4.05 ± 1.50 8.68 ± 7.57 - 9.25 ± 6.17 19.60 ± 13.52 -
  V30 0.03 ± 0.06 1.98 ± 3.00 - 0.01 ± 0.03 1.37 ± 2.00 -
Skin
  Volume (ml) 34353 ± 9812 22946 ± 4460 - 34353 ± 9812 22946 ± 4460 -
  D02 38.40 ± 3.61 40.25 ± 0.15 P < 0.05 37.19 ± 5.16 39.95 ± 0.54 P < 0.05
  V105 (%) 0.19 ± 0.14 0.30 ± 0.10 - 0.14 ± 0.10 0.38 ± 0.14 P < 0.05
  V105 (ml) 58.48 ± 37.01 68.86 ± 25.29 - 44.28 ± 36.22 91.48 ± 45.69 P < 0.05
  V107 (%) 0.06 ± 0.05 0.10 ± 0.05 - 0.03 ± 0.04 0.12 ± 0.09 P < 0.05
  V107 (ml) 17.85 ± 13.43 21.85 ± 11.43 - 9.77 ± 12.94 29.68 ± 27.28 P < 0.05
  1. Data are presented as group average ± standard deviation