|
Variable
|
Value, median (range)
|
Mean ± Stdev
|
|---|
|
Contour volumes [cc]
| | |
|
Breast PTV Vol
|
1095.20 (654.20–1343.70)
|
1040.21 ± 218.26
|
|
Breast PTV Eval Vol
|
899.90 (540.70–1149.80)
|
852.00 ± 196.96
|
|
Daily couch shift [cm]
| | |
|
LAT
|
0.07 (− 2.26 to 2.28)
|
0.05 ± 0.92
|
|
LNG
|
− 0.13 (− 2.10 to 1.35)
|
− 0.12 ± 0.70
|
|
VRT
|
− 0.14 (− 2.20 to 1.93)
|
− 0.13 ± 0.63
|
|
MAG
|
1.08 (0.27–2.78)
|
1.19 ± 0.57
|
|
PTV Eval residual shift [cm]
| | |
|
LAT
|
− 0.04 (− 0.35 to 0.32)
|
− 0.03 ± 0.12
|
|
LNG
|
0.07 (− 0.38 to 0.47)
|
0.05 ± 0.19
|
|
VRT
|
0.06 (− 0.32 to 0.43)
|
0.05 ± 0.13
|
|
MAG
|
0.25 (0.05–0.49)
|
0.26 ± 0.10
|
|
BODY V95% residual shift [cm]
| | |
|
LAT
|
− 0.01 (− 0.60 to 0.46)
|
− 0.03 ± 0.22
|
|
LNG
|
− 0.04 (− 0.53 to 0.66)
|
− 0.04 ± 0.18
|
|
VRT
|
0.05 (− 0.58 to 0.43)
|
0.03 ± 0.16
|
|
MAG
|
0.27 (0.04–0.80)
|
0.30 ± 0.15
|
|
Daily SSD [cm]
| | |
|
Lateral beam
|
85.45 (80.80–95.70)
|
86.24 ± 3.91
|
|
Medial beam
|
102.75 (94.70–104.80)
|
102.00 ± 2.82
|
|
Lateral beam deviation from planned
|
0.10 (− 2.10 to 1.30)
|
0.08 ± 0.58
|
|
Medial beam deviation from planned
|
0.10 (− 0.50 to 1.30)
|
0.18 ± 0.42
|
|
Target contour DSC
| | |
|
Breast PTV Eval
|
0.93 (0.88–0.97)
|
0.93 ± 0.02
|
|
BODY V95%
|
0.92 (0.88–0.96)
|
0.92 ± 0.02
|
|
Patient weight [%]
| | |
|
Deviation from planned/simulation
|
− 0.48 (− 6.50 to 4.71)
|
− 0.64 ± 2.69
|
- cc, centimeter cubed (cm3); PTV Eval, planning treatment volume for evaluation; LAT, lateral; VRT, vertical; LNG, longitudinal; MAG, magnitude; SSD, source-to-surface distance; DSC, dice similarity coefficient; Stdev, standard deviation
