SBRT 2016

How Much Technology Do We Need for SBRT?

Challenges

IGRT Offline Adaptive RT Online Adaptive RT

Change in daily target position

Yes

Systematic target shape change

No

Yes

Systematic OAR shape change

No

Yes

Daily target shape change

No No

Yes

Daily OAR shape change

No No

Yes

Sparing of organs at risk by online adaptation • Important for dose-limited treatments

Adapted from Lei Dong