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. 2025 Jun 9;54:100992. doi: 10.1016/j.ctro.2025.100992

Table 1.

Dose constraints, variances, priorities and rank list order for reference treatment planning. P level: 1 = “most important”, 2 = “very important”, 3 = “important”, 4 = “less important”, R = “report values only”.

OAR Priority Level Rank Order Constraint/Goal Variance
Bladder
V40.8 (%) 3 19 ≤ 40 % < 50 %
V48.6 (%) 2 10 ≤ 20 % < 25 %
V60 (%) 2 11 ≤ 5 % < 7 %
D0.03cc (Gy) 1 4 ≤ 60 Gy < 62 Gy
Rectum
V24.6 (%) R N/A ≤ 70 % < 80 %
V32.4 (%) R N/A ≤ 60 % < 70 %
V40.8 (%) 3 13 ≤ 50 % < 60 %
V43.5 (%) 3 14 ≤ 40 % < 50 %
V52.8 (%) 3 15 ≤ 25 % < 30 %
V57 (%) 2 7 ≤ 14 % < 15 %
V60 (%) 1 1 ≤ 3.0 % < 4 %
D0.03cc (Gy) 2 8 ≤ 60 Gy < 62 Gy
Penile Bulb
Dmean (Gy) 4 21 ≤ 48 Gy < 52.5 Gy
Femoral Heads
V44 (%) R N/A ≤ 5 % < 7 %
D0.03cc (Gy) 3 16/17 ≤ 50 Gy < 52 Gy
Bowel Bag
V43.5 (cc) 3 18 ≤ 195 cc < 350 cc
V46.2 (cc) 3 12 ≤ 2cc < 10 cc
Small Bowel
D0.03cc (Gy) 1 5 ≤ 52 Gy < 52 Gy
Large Bowel
D0.03cc (Gy) 1 6 ≤ 60 Gy < 61 Gy
Target Volume P Level Rank Order Constraint/Goal Variance
CTV
V99% (%) 1 3 ≥ 99 % > 95 %
PTV
V95% (%) 1 2 ≥ 99 % > 98 %
V99.9% (%) 4 20 ≥ 93 % > 90 %
D0.03cc (%) 2 9 ≤ 105 % < 107 %