1302-1303 / 1601
Glioma delineation variation (Beijing 2008)
SD
(mm)
SD (mm)
outliers
removed
Margin
(mm)
Homework 3.6
2.3
5.8
Groups
1.3
1.3
3.2
Validation 2.6
2.3
5.8
•Delineation uncertainty is a systematic error that should be incorporated in the margin
•Consistency is imperative to gather clinical evidence