Table 1.

Patient demographics

Patient	Gender	Age (y)	Diagnosis	PTV length (cm)
1	M	8	GCT	62.3
2	M	35	MM	78.6
3	M	13	GCT	64.7
4	M	14	Ependymoma	67.9
5	M	26	GCT	70.8
6	F	30	MM	76.2
7	F	14	GCT	62.5
8	M	10	GCT	68.3
9	F	24	MM	75.6

Patient demographics at time of CT scan acquisition.

Abbrevations: PTV Planning target volume, M male, F female, GCT Germ cell tumor, MM Medublastoma.