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Table 2 Patient characteristics and organ at risk doses

From: Impact of patient and treatment characteristics on heart and lung dose in adjuvant radiotherapy for left-sided breast cancer

   Median Min 5th percentile 95th percentile Max
Age at time of radiotherapy   59 28 39 80 91
Patient anatomy
  Heart volume 495.6 cm3 271.6 cm3 353.6 cm3 696.9 cm3 1031.7 cm3
  Lung volume 2738.6 cm3 1591.3 cm3 1991.5 cm3 4155.6 cm3 5544.5 cm3
  Body mass index 25.3 kg/m2 16.3 kg/m2 19.1 kg/m2 36.5 kg/m2 54.7 kg/m2
Organ at risk doses
  Heart mean dose (Gy) 3.7 Gy 0.4 Gy 1.1 Gy 7.4 Gy 14.8 Gy
  Heart V20Gy (%) 3.1% 0.0% 0.0% 10.3% 39.0%
  Left lung mean dose (Gy) 9.1 Gy 1.0 Gy 4.5 Gy 17.4 Gy 19.6 Gy
  Left lung V20Gy (%) 18.1% 0.0% 7.4% 37.0% 49.6%
  1. Summary of patient characteristics and organ at risk doses for all patients treated with adjuvant radiotherapy for left-sided breast cancer (n = 332)