489 / 1195
Pinnacle v9.2
Elekta Agility
6MV
July 2012 – Feb 2015
RTP:TPS
Head & Neck
1.001
±
0.043
Breast & Chest
0.979
±
0.051
Abdomen & Pelvis
1.002
±
0.023
CNS, etc.
0.997
±
0.024
•
Largest variations occur with tissue inhomogeneity, field size < 4cm,
•
increasing IMRT segments, depth > 24cm, Rx points off-axis > 8cm