Patients must have a Karnofsky performance level of >= 30 for patients > 16 years of age or a Lansky performance scale of >= 30 for patients =< 16 years of age and life expectancy > 8 weeks
Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores 0, 1, or 2; use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age
TREATMENT: Patients with a Karnofsky/Lansky score of >= 50%
Lansky (=< 16 years) or Karnofsky (> 16 years) score of at least 50
Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1 or 2; use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age
Karnofsky performance scale (KPS for > 16 years [yrs.] of age) or Lansky performance score (LPS for =< 16 years of age) >= 60 assessed within two weeks prior to registration
Karnofsky performance status >= 50 for patients >= 12 years of age; for children < 12 years of age, the Lansky play scale >= 50% can be substituted
Eastern Cooperative Oncology Group (ECOG) performance status =< 2 for adults, Karnofsky performance status >= 50% for pediatric patients > 10 years of age, and Lansky performance status >= 50 for pediatric patients =< 10 years of age
Karnofsky performance scale (KPS for >= 16 years [yrs] of age) or Lansky performance score (LPS for < 16 years of age) >= 60 assessed within two weeks prior to registration
Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1, or 2; use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age
Karnofsky performance scale (KPS for > 16 years of age) or Lansky performance score (LPS for =< 16 years of age) assessed within two weeks of enrollment must be >= 60
Lansky performance status score >= 70 for patients =< 16 years of age
Karnofsky performance status score >= 70 for patients > 16 years of age
Hemoglobin >= 8 g/dL for patients =< 16 years of age; >= 9 g/dL for patients > 16 years of age; Note: no transfusions are permitted 7 days prior to laboratory studies to determine eligibility
Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1 or 2; use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age
Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1 or 2; use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age
Lansky performance status score >= 50 for patients =< 16 years of age; Karnofsky performance status score >= 50 for patients > 16 years of age
Eastern Cooperative Oncology Group (ECOG) performance status =< 2 or Karnofsky >= 60% in patients > 16 years of age, Lansky >= 60 for patients =< 16 years of age
Eastern Cooperative Oncology Group (ECOG) performance status =< 2 or Karnofsky > 50% (if >= 16 years of age); or children < 16 years old must have a Lansky performance of >= 50%
Eastern Cooperative Oncology Group (ECOG) =< 2 (patients >= 16 years of age must have a Karnofsky performance level of >= 70% [or ECOG =< 2], and children < 16 years old must have a Lansky performance of >= 70%)
Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0 or 1* Use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age
Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1 or 2; use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age