Combination Chemotherapy With or Without Peripheral Stem Cell Transplantation, Radiation Therapy, and/or Surgery in Treating Patients With Ewing's Sarcoma

DISEASE CHARACTERISTICS:

   - Histologically confirmed tumor of the Ewing's family of bone or soft tissue

      - Ewing's sarcoma

      - Peripheral primitive neuroectodermal tumor

   - Disease meeting one of the following criteria:

      - Resectable localized disease (tumor volume less than 200 mL)

      - Localized disease previously resected at diagnosis

      - Unresectable disease (at least 200 mL tumor volume) but radiotherapy as local
      control can be delayed

      - Localized disease with early radiotherapy required

      - Pulmonary and/or pleural metastases only

      - Extrapulmonary/pleural metastases (skeleton, bone marrow, lymph nodes)

   - No more than 45 days since definitive biopsy

PATIENT CHARACTERISTICS:

Age:

   - Under 50

Performance status:

   - Not specified

Life expectancy:

   - Not specified

Hematopoietic:

   - Not specified

Hepatic:

   - Not specified

Renal:

   - Renal function normal

   - Glomerular filtration rate at least 60 mL/min

Cardiovascular:

   - Normal cardiac function

   - Fractional shortening at least 29%

   - Ejection fraction at least 40%

Other:

   - No medical, psychiatric, or social condition that would preclude study participation

PRIOR CONCURRENT THERAPY:

Biologic therapy:

   - Not specified

Chemotherapy:

   - No prior chemotherapy

Endocrine therapy:

   - Not specified

Radiotherapy:

   - Not specified

Surgery:

   - See Disease Characteristics