Table 2 Summary of the DVH analysis for the CTV and PTV (for the sub-group treated at 45Gy) and for the organs at risk for the entire cohort of patients

CTV (45Gy)

Mean [Gy]

(45Gy)

45.0 ± 0.3

[44.2;45.8]

V_95% [%]

100%

98.8 ± 3.9

[95.8;100.0]

D_98% [%]

>95%

95.5 ± 5.5

[93.0;102.2]

D_2% [%]

<107%

104.0 ± 1.3

[100.0;106.4]

PTV (45Gy)

Mean

(45Gy)

44.5 ± 0.6

[42.9;45.1]

Left Kidney

Mean [Gy]

-

3.8 ± 1.8

[0.5;7.7]

D_1cm3 [Gy]

-

9.6 ± 3.6

[2.2;16.8]

V_15Gy [%]

<35%

0.4 ± 1.0

[0.1;4.5]

Right Kidney

Mean [Gy]

-

4.3 ± 2.2

[0.8;10.4]

D_1cm3 [Gy]

-

11.8 ± 4.4

[4.4;23.8]

V_15Gy [%]

<35%

1.4 ± 3.9

[0.1;17.4]

Spinal Cord

D_1cm3 [Gy]

<18Gy

9.5 ± 3.4

[5.4;17.9]

Duodenum

D_1cm3 [Gy]

<36Gy

29.3 ± 8.5

[9.9;36.1]

Stomach

Mean [Gy]

-

2.8 ± 2.5

[0.1;8.4]

D_3cm3 [Gy]

<36Gy

10.2 ± 9.8

[0.2;25.3]

Small Bowel

Mean [Gy]

6.7 ± 3.6

[0.5;14.6]

D3_cm3 [Gy]

<36Gy

16.1 ± 8.3

[2.3;26.5]

Liver

Mean [Gy]

-

1.8 ± 1.6

[0.3;6.0]

V_spare [%]

Vtot–V21Gy > 700 cm³

1305 ± 290

[694;1716]