To determine if CNS irradiation can be safely omitted with early intensification of systemic and intrathecal chemotherapy. Unable to determine [clinicaltrials_resource:fb58840ae46ee59ec116250ba4965480]

See Detailed Description section for details of treatment interventions.

To determine if CNS irradiation can be safely omitted with early intensification of systemic and intrathecal chemotherapy. Unable to determine [clinicaltrials_resource:fb58840ae46ee59ec116250ba4965480]

See Detailed Description section for details of treatment interventions.