Patients Characteristics
Age in Years 13.5 (4-18)
Sex Female 13
Male 20
Histological response to chemotherapy
  GR 16
  Grade IV 4
  Grade III 12
  PR 17
Metastatic Status 2 with lungs metastases
survival 21 alive
12 dead (2 metastatic diseases)
OS Median in months 85
At 5 Years 72%
At 10 Years 64%
EFS Median in months 79
At 5 Years 61%
At 10 Years 54%
Table 1: patient’s clinical characteristics.