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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]