From: The frequency of re-planning and its variability dependent on the modification of the re-planning criteria and IGRT correction strategy in head and neck IMRT
Patient #
D2 [Gy] Spinal cord
Planned
Min
Mean ± SD
Max
1
44.6
44.1
44.8 ± 0.4
45.6
2
41.0
41.6 ± 0.3
42.5
3
38.7
37.8
38.7 ± 0.6
40.6
4
40.3
41.4 ± 0.6
42.7
5
42.9
41.9
42.4 ± 0.3
6
42.6
44.3 ± 0.7
45.1