Skip to main content

Table 3 Dose-volumetric parameters of organs at risk (median, range); doses specified as physical doses

From: Locally advanced NSCLC: a plea for sparing the ipsilateral normal lung—prospective, clinical trial with DART-bid (dose-differentiated accelerated radiation therapy, 1.8 Gy twice daily) by VMAT

Lung  
  V 20* ipsilateral (%) 37 (7–64)
  V 20 contralateral (%) 19 (0–52)
  V 20 both lungs (%) 28 (4–53)
  V 5 both lungs (%) 61 (14–100)
  D mean (Gy) 15.0 (3.8–26.0)
Proximal bronchial tree  
  D mean (Gy) 47.6 (2.8–70.4)
  D max 0.1 ccm (Gy) 82.4 (52.9–95.8)
  V 75 (%) 7 (0–46)
  V 85 (%) 0 (0–32)
Heart  
  D mean (Gy) 8.6 (0.2–38.5)
  V 5 (%) 33 (0–100)
  V 30 (%) 6 (0–60)
  V 50 (%) 1 (0–28)
Esophagus  
  D mean (Gy) 22.1 (6.7–43.2)
  D max 0.1 ccm (Gy) 63.8 (30.0–90.7)
  V 60 (%) 2 (0–36)
Spinal cord  
  D max (Gy) 41.4 (16.7–49.6)
  1. Vx = Volume of an organ exposed to ≥ x Gy