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Table 3 Maximum doses to critical organs at risk (OAR) during reirradiation for the entire cohort

From: Intensity modulated or fractionated stereotactic reirradiation in patients with recurrent nasopharyngeal cancer

Dose to OAR median min max
brainstem 30 10 49
spinal cord 22 0 23
right optic nerv 25 1 43
left optic nerv 20 1 43
chiasma 11 1 39
  1. all doses in Gy