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Table 1 Dose targets and constraints for treatment planning

From: Stereotactic Body Radiation Therapy (SBRT) for clinically localized prostate cancer: the Georgetown University experience

36.25 Gy plan constraints  
Global Max Dose 48.33 Gy
PTV V (36.25 Gy) ≥ 95%
Rectum V (36 Gy) < 1 cc
  V (100%) < 5%
  V (90%) < 10%
  V (80%) < 20%
  V (75%) < 25%
  V (50%) < 50%
Bladder V (37 Gy) < 5 cc
  V (100%) < 10%
  V (50%) < 40%
Penile Bulb V (29.5 Gy) < 50%
Membranous urethra V (37 Gy) < 50%
Sigmoid colon V (30 Gy) < 1 cc
Testicles D (20%) < 2 Gy