Table 3.

DSC values between GTV-Histo and GTV-MRI before and after expansion.

Patient	DSC before expansion	Best DSC after expansion from 0–4 mm	Expansion needed to reach best DSC (mm)
1	0.71	0.71	0
2	0.7	0.7	0
3	0.48	0.69	1
4	0.16	0.38	2
5	0.2	0.4	4
6	0.41	0.51	2
7	0.56	0.73	2
8	0.53	0.53	0
9	0.17	0.4	4
10	0.55	0.75	4
11	0.03	0.22	4
12	0.22	0.41	4
13	0.20	0.35	4
14	0.27	0.61	3
15	0.67	0.78	1
16	0.25	0.43	1
17	0.46	0.55	1
18	0.67	0.76	4
19	0.61	0.61	0
20	0.25	0.42	3
21	0.46	0.51	1
22	0.69	0.81	4
Median	0.46	0.54	2

DSC: Second column shows calculated DSC in median before expansion. The best DSC that was achieved within an expansion frame of 4mm is listed in column 3, the respective expansion reaching this value in column 4.