Table 2 The DVH-based parameters of the OARs in the study

Total lungs

 MLD (Gy)^a

14.8 ± 1.7

 V5 (%)^b

67.4 ± 9.0

 V10 (%)^b

53.5 ± 7.2

 V20 (%)^b

28.7 ± 3.2

 V30 (%)^b

17.1 ± 2.6

Ipsilateral lungs

 MLD (Gy)

22.1 ± 4.1

 V5 (%)

79.1 ± 10.7

 V10 (%)

70.7 ± 11.8

 V20 (%)

47.2 ± 11.3

 V30 (%)

30.3 ± 10.0

Contralateral lungs

 MLD (Gy)

8.8 ± 2.9

 V5 (%)

53.1 ± 13.1

 V10 (%)

32.1 ± 12.7

 V20 (%)

11.8 ± 8.8

 V30 (%)

5.2 ± 4.6

Spinal cord

 Dmax (Gy)^e

42.7 ± 3.7

Heart

 Dmean (Gy)^a

16.1 ± 7.3

 V30 (%)^c

23.3 ± 15.0

 V40 (%)^c

9.0 ± 5.0

Esophagus

 MED (Gy)^a

29.0 ± 6.7

 V45 (%)^d

33.6 ± 5.3