1858-1859 / 2437
Image guidance for chordoma
•
All
fractions
had significant
lateral
displacement
•
Note
all
positive – and
large
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
•
Daily positional corrections moves – lateral direction