Table 1.

Risk stratification of Medulloblastoma.

Standard risk (All of the following)	High risk (Any one of the following)
≥3 years of age	<3 years of age
Residual tumor <1.5cm2	Residual tumor >1.5cm2
Non-metastatic disease	Metastatic disease
Classic or desmoplastic histology	Large cell-anaplastic histology
Complete staging	Incomplete staging