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Table 3 Summary of DVH analysis for organs at risk

From: Large volume unresectable locally advanced non-small cell lung cancer: acute toxicity and initial outcome results with rapid arc

  Objective RA
   Ipsi-lateral lung
Volume [cm 3 ] - 1717 ± 549
Mean [Gy] Minimize 30.4 ± 7.0
V 20Gy [%] Minimize 52.8 ± 8.9
   Contra-lateral lung
Volume [cm 3 ] - 1945 ± 517
Mean [Gy] < 15 Gy 13.7 ± 3.9
V 20Gy [%] < 20-30% 21.1 ± 6.1
   Spinal Cord
Volume [cm 3 ] - 39 ± 16
D 1% [Gy] < 45 Gy 39.5 ± 4.0
   Heart
Volume [cm 3 ] - 715 ± 161
V 45Gy [%] < 30% 9.0 ± 7.0
V 50Gy [%] < 20% 6.9 ± 6.3
   Esophagus
Volume [cm 3 ] - 37 ± 13
V 55Gy [%] < 30% 33.3 ± 10.0
D 1% [Gy] < 70 Gy 67.4 ± 2.2
   Healthy tissue
Volume [cm 3 ] - 29588 ± 7788
Mean [Gy] - 9.5 ± 2.7
V 10Gy [%] - 27.6 ± 7.7
  1. Dx% = dose received by the x% of the volume; Vx% = volume receiving at least x% of the prescribed dose; CI = ratio between the patient volume receiving at least 95% of the prescribed dose and the volume of the total PTV. DoseInt = Integral dose, [Gy cm3 105]