Table 1 Risk group characterization
Low-risk | High-risk |
|---|---|
Age > 30 years | Age ≤ 30 years |
Male chordoma | Female chordoma |
No OAR compression | Compression of OAR |
Primary tumour | Recurrent tumor |
Tumour size < 70 ml | Tumour size > 70 ml |
Low-risk | High-risk |
|---|---|
Age > 30 years | Age ≤ 30 years |
Male chordoma | Female chordoma |
No OAR compression | Compression of OAR |
Primary tumour | Recurrent tumor |
Tumour size < 70 ml | Tumour size > 70 ml |