From: Incorporating breath holding and image guidance in the adjuvant gastric cancer radiotherapy: a dosimetric study
SI(mm)
LR (mm)
AP (mm)
Free breathing
Max
20.0
5.8
12.5
Min
2.8
0.8
2.2
Mean
11.1
1.9
5.5
SD
3.1
1.0
2.5
Margin
20.4
4.9
13.0
Breath hold
10.1
3.5
8.1
0.3
3.7
1.6
2.0
1.7
9.7
5.0
7.9