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Table 2 Dose constraints for the organs at risk adhering to the local guidelines and QUANTEC [26]

From: Comparison of different treatment planning approaches for intensity-modulated proton therapy with simultaneous integrated boost for pancreatic cancer

OAR

Dose constraint

Spinal cord

Dmax ≤ 45 Gy

Liver

Dmean ≤ 30 Gy

V30Gy ≤ 30%

Kidney

Dmean ≤ 18 Gy

V12Gy ≤ 55%

V20Gy ≤ 32%

Stomach

Dmax ≤ 54 Gy

V50Gy ≤ 2%

V45Gy ≤ 25%

Duodenum

Dmax ≤ 55 Gy

V45Gy ≤ 25%

Large Bowel

V15Gy ≤ 120 ccm

Small Bowel

V15Gy ≤ 120 ccm

  1. Abbreviations: Dmax maximum dose, Dmean mean dose, VxGy volume receiving x-Gy
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Radiation Oncology

ISSN: 1748-717X

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