![Show Menu](styles/mobile-menu.png)
![Page Background](./../common/page-substrates/page0814.jpg)
Target
2) Shift the SOBP to reach the distal target position
with the required range shifter
Proximal dose modulation?
1) Create the SOBP of a
fixed
thickness with a specific ridge filter
Maximum target extension
Target
3) Modulate the SOBP with a beam-
specific compensator to conform with
the distal target shape