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Table 3 Volume of BP receiving 50 Gy, 60 Gy, 70 Gy, and 75 Gy

From: Brachial plexus dose tolerance in head and neck cancer patients treated with sequential intensity modulated radiation therapy

Combined BP (n = 136)

V50Gy

V60Gy

V70Gy

V75Gy

cc

%

cc

%

cc

%

cc

%

Mean

6.27

54.11

3.18

27.82

0.95

8.24

0.13

1.13

Median

6.62

62.60

2.47

23.20

0.00

0.00

0.00

0.00

Maximum

14.93

89.20

12.35

86.00

8.06

75.80

6.61

62.18

Ipsilateral BP (n = 68)

V50Gy

V60Gy

V70Gy

V75Gy

cc

%

cc

%

cc

%

cc

%

Mean

7.01

60.23

4.37

37.74

1.47

12.74

0.24

2.01

Median

7.46

66.70

3.92

36.00

0.44

3.84

0.00

0.00

Maximum

14.93

89.20

12.35

86.00

8.06

75.80

6.61

62.18

Contralateral BP (n = 68)

V50Gy

V60Gy

V70Gy

V75Gy

cc

%

cc

%

cc

%

cc

%

Mean

5.53

48.00

2.00

17.90

0.43

3.74

0.03

0.26

Median

5.49

49.10

0.50

4.56

0.00

0.00

0.00

0.00

Maximum

12.06

87.80

11.13

77.60

7.51

54.70

1.20

11.71

  1. The volumes of BP in centimeters cubed (cc) and in percent volume (%) are calculated for the mean, median and maximum doses to the combined, ipsilateral and contralateral BP.