Physics Bucharest 2017
Breast margins – SIB-technique in Erasmus MC
residual set-up errors for 80 eNAL patients
Tumor bed (boost)
Whole breast
LR (mm) CC (mm) AP (mm) U (mm) Th wall
V (mm) CC
σ
2.1
2.0
2.3
2.0
1.8
No corrections
M Σ
2.6
2.5
3.4
3.5
2.3
8.0
7.7
10.1
10.2
7.0
M=2.5Σ+0.7σ
eNAL markers
M Σ
0.8
0.6
0.9
1.9
2.1
3.5
2.9
3.9
6.2
6.5
M=2.5Σ+0.7σ
Clinical
M
5.0
5.0
5.0
5.0 mm LR, CC, AP
IJROBP 82, p1031–1037, 2012
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