Lansky >= % for patients =< years of age or Karnofsky >= % for patients > years of age Karnofsky >= % for patients > years of age Adequate performance status: Karnofsky ? for patients ? years of age Adequate performance status: Lansky ? for patients < years of age Subjects > years of age: Karnofsky >= %; Subjects =< years of age: Lansky scale >= % Patients must have a Lansky or Karnofsky performance status score of >= ; use Karnofsky for patients > years of age and Lansky for patients =< years of age Subjects must have a performance status of > %; use Karnofsky for patients > years of age and Lansky for patients =< years of age Karnofsky ? for patients ? years of age, and Lansky ? for patients < years of age. Karnofsky > for patients > years of age and Lansky > for patients =< years of age Minimal limitation on activities of daily living as measured by Karnofsky ? for participants > years of age or Lansky ? for participants ? years of age. Karnofsky performance status >= % for patients > years of age, or Lansky performance status >= % for patients =< years of age. Patient must have Karnofsky >= % for patients > years of age; Lansky Play Scale >= for children =< years of age Patients must have a performance status of , or ; use Karnofsky >= for patients > years of age and Lansky >= for patients =< years of age Performance status: Karnofsky >= for patients > years of age; Lansky >= for patients =< years of age Karnofsky performance status >= for patients >= years of age and a Lansky performance status >= for patients aged < years Patients must have a performance status of >= ; (Karnofsky if > years and Lansky if =< years of age) Karnofsky ? % for patients > years of age and Lansky ? for patients ? years of age. Patients must have a performance status of >= ; (Karnofsky if > years and Lansky if =< years of age Patients must have a Lansky performance status of >= for children =< years of age or a Karnofsky performance status of > for children > years of age Patients must have a performance status of >= ; (Karnofsky if > years and Lansky if < years of age) Performance status: Karnofsky >= % (subjects >= years of age); Lansky >= % (for subjects - years of age) Performance level: Lansky ? % for patients ? years of age and Karnofsky ? % for patients > years of age. PRE-REGISTRATION: Performance level as measured by Karnofsky >= % for patients > years of age or Lansky >= % for patients =< years of age. ENROLLMENT: Performance level as measured by Karnofsky >= % for patients > years of age or Lansky >= % for patients =< years of age. Patients must have a Lansky or Karnofsky performance status score of >= ; Karnofsky system will be used for patients > years of age and Lansky system for patients < years of age Patients must have a Karnofsky performance level of >= for patients > years of age or a Lansky performance scale of >= for patients =< years of age and life expectancy > weeks Performance status - Karnofsky >= ( years and older) or Lansky >= (less than years of age) ECOG , or , or for children =< years of age, Lansky >= If < years of age: Lanksy Performance Status >% If ? years of age: Karnofsky Performance Status >% Karnofsky (age ? years) or Lansky (age < years) performance status ? at screening Karnofsky (age ? years) or Lansky (age < years) performance status ? at screening. Have an ECOG performance status of - for ? years of age and a Lansky performance status of - for < years of age Lansky (age < years at the time of assent/consent) or Karnofsky (age ? years at the time of assent/consent) performance status ? at screening Karnofsky performance status (KPS) must be >= for patients >= years of age and Lansky performance status must be >= for patients < years of age Must have a Lansky or Karnofsky performance status of >= ; use Karnofsky for patients > years of age and Lansky for patients =< years of age Patients must have a Lansky or Karnofsky performance status score of >= %; use Karnofsky for patients > years of age and Lansky for patients =< years of age Eastern Cooperative Oncology Group (ECOG) performance status =< for adults, Karnofsky performance status >= % for pediatric patients > years of age, and Lansky performance status >= for pediatric patients =< years of age Karnofsky > % for patients > years of age and Lansky > % for patients ? years of age. ECOG - or Karnofsky ? % for patients > years of age; Lansky ? % for patients ? years of age. Subjects ? years of age: Karnofsky ? % (Appendix A) Subjects < years of age: Lansky scale ? % (Appendix A) Karnofsky performance status > % for patients years and older and Lansky performance status > % for patients under years of age Karnofsky > % for patients > years of age and Lansky > % for patients less than or equal to years of age. (See Appendix I for Performance Scales). Performance Level: Karnofsky > % for pts > years; Lansky > % for pts < years of age. Performance status: Karnofsky > % for >= years of age; Lansky > % for children < years of age Performance status: Karnofsky >= for > years of age; Lansky >= for children =< years of age Performance status: Karnofsky ? % for to < years of age; Lansky play scale ? % for to < years of age. Performance status - Karnofsky -% (> years of age) Performance status - Lansky -% (? years of age) Karnofsky performance status >= % for patients >= years of age and Lansky >= % for patients < years of age Performance status must be > from Lansky (age to ) or Karnofsky (age > ) Karnofsky >= % for patients > years of age and Lansky >= for patients =< years of age Performance status by Karnofsky of >= % or Lansky > % for patients < years of age ECOG -, or for children ? years of age, Lansky > Karnofsky performance status >= for patients >= years of age; for children < years of age, the Lansky play scale >= % can be substituted Karnofsky >= for patients >= years of age, and Lansky >= for patients < years of age PHASE I: Performance status >= on Karnofsky scale for patients > years of age and > on Lansky scale for patients < years of age EXPANSION COHORT: Performance status of >= on Karnofsky scale for patients > years of age and > on Lansky scale for patients =< years of age Patients must have a performance status of >= using the Karnofsky scale for patients > years of age and the Lansky scale for patients =< years of age Karnofsky (patients ? years)/Lansky (patients < years) index ? .