IMRT

Helical tomotherapy for oligometastatic CRC: UZ Brussel experience

 40-50 Gy in 2 weeks =>

median survival > 2 years after RT.

 Grade 3 toxicity < 5%  1-year local control of only 54%:  Geographical miss (no respiratory motion

n = 105

management, only free- breathing planning CT)

 BED < 100 Gy

Engels et al., Ann Oncol 2010, Radiat Oncol 2012

20