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. 2007 May 1;68(1):273–281. doi: 10.1016/j.ijrobp.2006.12.068

Table 1.

Intensity-modulated radiotherapy planning constraints

Spinal cord Maximum dose ≤40 Gy
Planning target volume Mean dose 54 Gy; 90% of volume receiving at least 95% of prescription dose
Normal tissue Maximum dose ≤54 Gy