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Table 1 Original dose-constraints for Rwall as used for the paired reference plans (Vmref) and the proposed additional dose-constraints based on the paired plans Vm4

From: Urethra-sparing stereotactic body radiotherapy for prostate cancer: how much can the rectal wall dose be reduced with or without an endorectal balloon?

Volume

Original dose-constraints (Vmref)

Additional dose-constraints after optimization (Vm4)

Rwall

V36.25 Gy < 5%

V13.1 Gy ≤ 30%

 

V32.6 Gy < 10%

V7.2 Gy ≤ 40%

 

V29 Gy < 20%

Dmed ≤6.5 Gy

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