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Table 2 Absolute difference between replanning and initial planning. A positive difference means a higher value for the replanning. All values are presented as mean (range)

From: Radiotherapy quality assurance for mesorectum treatment planning within the multi-center phase II STAR-TReC trial: Dutch results

 

Case 1

Case 2

Case 3

Case 4

Case 5

CTV V95 (%)

0.0 (0.0–0.0)

0.0 (0.0–0.0)

0.0 (0.0–0.0)

0.0 (0.0–0.0)

0.0 (0.0–0.0)

PTV V95 (%)

− 0.3 (− 0.9–0.2)

− 0.1 (− 0.3–0.0)

− 0.2 (− 0.7–0.0)

−0.1 (− 0.3–0.0)

−0.1 (− 0.3–0.0)

PTV V90 (%)

0.0 (0.0–0.0)

0.0 (− 0.1–0.0)

0.0 (−0.1–0.0)

0.0 (0.0–0.0)

0.0 (− 0.1–0.0)

Bowel cavity volume (cc)

992.0

754.4

721.3

1306.3

1273.2

Bowel cavity V5Gy (cc)

− 120.9 (− 371.9–0)

− 78.9 (− 317.1–22.9)

− 106.2 (− 299.6–0)

− 107.8 (− 426.1–44.5)

− 141.5 (− 529.2–0)

Bowel cavity V10Gy (cc)

−89 (− 237.1–23.6)

− 55.2 (− 176.8–0)

−60.2 (− 203.6–0)

− 60.9 (− 226.1–0)

− 64.8 (− 198.8–0)

Bowel cavity V15Gy (cc)

−32.4 (− 68.5–5.2)

−23.5 (− 92.5–0)

− 28.4 (− 106.1–0)

− 22.7 (− 66.4–0)

− 33.9 (− 105.5–0)

Bowel cavity V20Gy (cc)

−18.2 (− 46.7–6.7)

−11.3 (− 45.8–0)

−17.2 (− 61.4–0)

− 13.8 (− 44.6–0)

− 21.6 (− 58.4–0.1)

Bowel cavity V30Gy (cc)

−7.9 (− 22–6.8)

−4.6 (− 18.3–0)

−6.9 (− 19.6–0)

− 5.4 (− 20.3–0.8)

−9 (− 25–0)

Bowel cavity V45Gy (cc)

−3.2 (− 9.1–4.5)

−1.6 (− 6.5–0)

− 2.2 (− 6.8–0)

−1.4 (− 8.6–1.8)

−3.6 (− 8.7–0)

Bladder volume (cc)

197.2

344.7

232.3

277.3

89.2

Bladder V5Gy (%)

−6.5 (−21.4–0)

−6.4 (− 28.7–0)

−4.2 (− 16.1–0)

−5.6 (− 34.6–0)

0.1 (− 1.1–2.2)

Bladder V10Gy (%)

−14.2 (− 58.4–0)

− 10.3 (− 48.8–0)

− 12.3 (− 45.5–0)

−4.9 (− 32.6–20)

−3.5 (− 17–0.2)

Bladder V15Gy (%)

−14.8 (− 59.2–0)

− 7.5 (− 33.5–1.1)

−13.1 (− 33.6–0)

− 6.1 (− 22.2–1)

− 3.4 (− 13.8–0.1)

Bladder V35Gy (%)

−1.3 (−3.4–0.2)

−1.1 (− 5–0.5)

−2.7 (− 7.4–0)

−1 (− 3.7–0)

−1.6 (− 10.7–3.3)

Bladder V50Gy (%)

0 (0–0)

0.1 (− 0.2–0.7)

0.3 (−1–1.8)

0.3 (− 0.6–1.5)

0.1 (−1.3–0.8)

External volume (cc)

27,105.6

21,073.2

18,660.9

23,076.3

28,088.9

External_V10Gy_(cc)

−61.9 (− 645.1–645.2)

−13.3 (− 362.9–409.3)

− 142.5 (− 335.9–0)

182.2 (− 184.5–975.8)

201.3 (− 313.9–636.5)

External_V25Gy_(cc)

−106.5 (− 662.1–123.4)

−16.1 (− 688.9–264.9)

−4.8 (− 410.4–202.4)

−92.1 (− 922–502)

− 292.7 (− 1624.6–163.7)

Non-defined OAR volume (cc)

24,881.5

18,795.5

16,504.1

20,541.4

26,060.8

Non-defined OAR max dose (Gy)

0.2 (−0.4–1.1)

0.1 (− 0.3–0.7)

−0.1 (− 0.9 – 0.5)

0.0 (− 0.6–1.3)

−0.1 (− 1.6–1.2)

Non-defined OAR V10Gy (cc)

56.9 (− 284.5–654.6)

81.2 (− 264.2–461.5)

−46.5 (− 258.6–57.3)

247.9 (− 8.4–931.6)

271.2 (− 208–845.8)

Non-defined OAR V25Gy (cc)

−77.2 (− 615.5–173.8)

3.8 (− 650.3–340.3)

23.1 (− 390–254)

−71.8 (− 888.6–512.8)

−273.9 (− 1617.3–198.4)