![Show Menu](styles/mobile-menu.png)
![Page Background](./../common/page-substrates/page1198.jpg)
Treatment at different SSD
We may want to do that to extend the maximum field size
(extended FSD for e.g. CNS treatments)
For isocentric treatments, so we only set-up the patient
once and treat around the common isocentre.
Basic Dose Caculation
Principles 2012
44