662 / 1359
Conclusions
❑
Probably best to use
,
when available
o
Too many uncertainties involved if converted to
,
❖
In medium (tissue composition) and consequently in mass stopping
power
❑
For most tissues – no big difference between the two dose reporting modes
❑
Scaled water gives result very similar to dose to medium models.
❑
Avoid air in evaluation and optimisation processes
o
Large difference in mass stopping power, about 10 %
o
Redefine ait inside body contour to “thin” water
Dublin 2018
33