Advanced TP

Pinnacle v9.2 Elekta Agility 6MV July 2012 – Feb 2015 RTP:TPS Head & Neck 0.043 Breast & Chest 0.051 Abdomen & Pelvis

1.001 ±

0.979 ±

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