![Show Menu](styles/mobile-menu.png)
![Page Background](./../common/page-substrates/page0106.jpg)
Intermezzo 1:
systematic set-up errors are to be expected, even with
perfect daily set-up based on tattoos:
position
frequency
The
random
position of the tumor at the CT yields a
systematic
error during treatment
Systematic and Random errors
tumor set-up variations with repeated
perfect daily patient set-up
CT