| COG | SIOPEL | GPOH | JPLT |
Very low risk | PRETEXT I or II, pure fetal histology, and primary resection | | | |
Low risk/standard risk | PRETEXT I or II, any histology, and primary resection | PRETEXT I, II, and III | PRETEXT I, II, and III | PRETEXT I, II, and III |
Intermediate risk | PRETEXT II, III, or IV; unresectable at diagnosis V+, P+, E+SCU | | | PRETEXT IV any, PRETEXT with rupture, N1, P2, P2a,V3, and V3a multifocal |
High risk | Any PRETEXT M+AFP level <100 ng/mL | Any PRETEXT V+, P+, E+, M+SCU, AFP level <100 ng/mL, tumor rupture | Any PRETEXT V+, P+, E+, M+multifocal | Any PRETEXT M1, N2 AFP level <100 ng/mL |