Table 2 Summary of the DVH analysis for the CTV, PTV and Organs at Risk

CTV

Volume = 59.9 ± 21.6 cm³ Range = [25.1 – 110.2] cm³

Mean [Gy]

35 Gy

35.2 ± 0.2

[34.9 - 35.8]

V _95% [%]

>99%

100.0 ± 0.1

[99.4 - 100.0]

V _105% [%]

Minimize

0.0 ± 0.0

-

D _99% [Gy]

>33.2 (95%)

34.5 ± 0.2

[33.9 – 35.1]

D _1% [Gy]

Minimize

35.9 ± 0.2

[35.5 – 36.8]

PTV

Volume = 107.5 ± 33.7 cm³ Range = [52.8 – 182.2] cm³

Mean [Gy]

35 Gy

35.0 ± 0.1

[34.8 – 35.7]

V _95% [%)

>95%

98.3 ± 1.1

[95.6 – 99.8]

V _105% [%]

Minimize

0.0 ± 0.0

-

D _99% [Gy]

>31.5 (90%)

33.1 ± 0.3

[32.1 – 33.9]

D _1% [Gy]

Minimize

36.0 ± 0.2

[35.6 – 36.8]

Rectum

Volume = 65.7 ± 20.6 cm³ Range = [33.8 – 113.0] cm³

Mean [Gy]

Minimize

12.5 ± 2.5

[6.2 – 16.1]

D _1% [Gy]

<35 Gy

33.0 ± 2.4

[22.4 – 34.9]

D _1cm3 [Gy]

<35 Gy

32.3 ± 2.9

[20.1 – 34.9]

V _18Gy [%]

<35% (50%)

27.9 ± 9.6

[3.9 – 42.5]

V _28Gy [%]

<10% (15%)

7.5 ± 3.5

[0.1 – 14.9]

V _32Gy [%]

<5% (10%)

3.1 ± 1.9

[0.0 – 7.1]

Bladder

Volume = 195.8 ± 118.1 cm³ Range = [61.5 – 544.9] cm³

Mean [Gy]

Minimize

9.1 ± 4.4

[3.1 – 19.4]

D _1% [Gy]

<35 Gy

34.1 ± 1.8

[27.5 – 35.6]

Right femoral head

Volume = 73.7 ± 39.9 cm³ Range = [37.2 – 186.0] cm³

D _1% [Gy]

Minimize

10.3 ± 2.1

[4.4 – 13.8]

Left femoral head

Volume = 71.8 ± 37.6 cm³ Range = [33.7 – 183.2] cm³

D _1% [Gy]

Minimize

11.3 ± 1.7

[6.4 – 14.3]

Penile bulb

Volume = 4.2 ± 1.9 cm³ Range = [1.1 – 9.0] cm³

Mean [Gy]

Minimize

8.9 ± 5.6

[1.2 – 21.8]

D _1% [Gy]

Minimize

20.7 ± 11.2

[2.3 – 35.4]