46 / 881
IMRT for chordoma
CTV
PRV cord
PTV-PRV
Dose - Gy
70 Gy / 39#
(+ IGRT)
70 Gy
Lateral displacement during treatment course
0
2
4
6
8
10
12
14
16
18
20
26/10/2009
02/11/2009
09/11/2009
16/11/2009
23/11/2009
30/11/2009
07/12/2009
14/12/2009
Date
Lateral displacement - mm
21