Author
No. of
observers
No. of patients Contours
Comments
Landis
4
33
cavity, PTV
Wong
4 + 4
5 + 5
seroma, CTV, PTV
Petersen
3
30
seroma
Kosztyla
3
21
seroma
Boersma
5
30
GTV, CTV
pre- and postop. CT-s
Ford
1 + 1
12
cavity, PTV
CT and PET/CT
Jolicoeur
3
70
cavity
Hurkmans
4
10
boost volume
4 CT series
Giezen
2 + 2
15
cavity
Kirby
1
4
10
cavity
Kirby
2
1
30
cavity
prone position
Li
9
3
cavity, PTV
van Mourik
13
8
cavity, CTV, PTV
Struikmans
5
18
boost CTV
Yang
2
19
seroma
CBCTs
GEC-ESTRO
4 + 6
9 + 5
cavity, CTV
pre- and postimplant CT-s
Studies with interobserver variations of lumpectomy cavity contouring