Head and Neck
Mean error
AP 3.0mm (-2.3 to 5.8mm)
Risk- belief in ‘new’ technology
Houghton 2009
SI -2.8mm (-5.6mm to 0.8mm
)
Recommended activities for assuring quality in IGRT practice
within a clinical program
Safety considerations for IGRT: Executive summary
Practical Radiation Oncology
Volume 3, 2013,