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Table 3 Dosimetric data to organ at risk and target volumes

From: Feasibility and preliminary clinical results of linac-based Stereotactic Body Radiotherapy for spinal metastases using a dedicated contouring and planning system

Spinal cord (0.1 cc)
 Single fraction (median - range) 7.8 (5.08–10.47)
 Three fractions (median - range) 15.5 (7.3–19.5)
Lung
 Single fraction (median - range)
  V5% 0.25 (0.03–0.46)
  V10% 0
  V20% 0
  Mean Dose 1.79 (1.1–8.58)
Three fractions (median – range)
 V5% 4.4 (0.42–24.1)
 V10% 0.6 (0.01–5.7)
 V20% 0 (0–1.21)
 Mean dose 1.11 (0.35–4.91)
Esophagus (1 cc)
 Single fraction (median - range) 6.86 (6.16–7.56)
 Three fractions (median - range) 11.3 (0.03–15.4)
Kidney (> 200 cc)
 Single fraction (median - range) 3.4 (0.2–5.1)
 Three fractions (median - range) 8.2 (1.2–13.2)