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Table 2 Average dose exposure to the rectum, small bowel and bladder

From: Helical intensity-modulated radiotherapy of the pelvic lymph nodes with a simultaneous integrated boost to the prostate - first results of the PLATIN 1 trial

Rectum

Maximum anterior rectal wall

73.7 Gy ± 2.1 Gy

V40 Gy

39.1 % ± 10.5 %/38 ml ± 10 ml

V60 Gy

9.3 % ± 3.8 %/9 ml ± 4 ml

V70 Gy

1.6 % ± 1.7 %/2 ml ± 2 ml

Small bowel

Maximum

52.8 Gy ± 1.2 Gy

V20 Gy

42.9 % ± 19.0 %/664 ml ± 293 ml

V40 Gy

9.3 % ± 6.1 %/143 ml ± 94 ml

Bladder

V40 Gy

40.6 % ± 12.4 %/142 ml ± 44 ml

V60 Gy

12.0 % ± 6.5 %/42 ml ± 23 ml

V70 Gy

6.3 % ± 4.1 %/22 ml ± 15 ml

  1. V 20 Gy , V 40 Gy , V 60 Gy , V 70 Gy volume of the respective organ at risk receiving ≥ 20 Gy, ≥ 40 Gy, ≥ 60 Gy and ≥ 70 Gy