1401 / 1456
Intra-Fraction Error (167 treatment fractions)
0
5
10
15
20
25
0
1
2
3
4
5
6
7
8
9
/
No Synchrony
/
Synchrony
Intra-fraction error (1 SD) [mm]
Respiratory motion amplitude (mm)
Hoogeman M, Prévost JB,
Nuyttens J, Pöll J, Levendag
P, Heijmen B, Clinical
accuracy of the respiratory
tumor tracking system of the
cyberknife: assessment by
analysis of log files. Int J
Radiat Oncol Biol Phys.
2009 May 1;74(1):297-303.