Table 3: Post-operative treatment for patients treated with SIOP 2001 protocol that had immediate operation.

Patients Treatment regimen
Stage I, intermediate risk (exclude focal anaplasia) 1: 10 weeks of Vincristine
Stage I focal anaplasia

Stage II, Low and intermediate risks
2: 26 weeks with Vincristine and Actinomycin D
Stage III, IR (include focal anaplasia) 3: 28 weeks with Vincristine, Actinomycin D, Doxorubicin and Radiotherapy
Stage I-IV High risk As for patients with preoperative chemotherapy