Table 1 Critical organs at risk and respective dose constraints

Rectum

V₂₉ < 50%

V₁₈ < 50%

V₃₅ ≤ 30%

V₂₀ ≤ 30%

D_{1 cc} ≤ 46 Gy

D_{1 cc} ≤ 26 Gy

Bladder

V₂₉ < 50%

V₁₈ < 50%

V₃₅ ≤ 30%

V₂₀ ≤ 30%

D_{1 cc} ≤ 47 Gy

D_{1 cc} ≤ 26 Gy

Femurs

D_{10 cc} < 45 Gy

D_{10 cc} < 25 Gy

Bowel (including sigmoid)

V₄₅ < 40 cc (acceptable 60 cc)

D_{1 cc} ≤ 47 Gy

V₂₅ < 40 cc (acceptable 60 cc)

D_{1 cc} ≤ 26 Gy

Penile bulb

Mean dose < 35 Gy

Mean dose < 20 Gy