DISEASE CHARACTERISTICS:

• One of the following must be present:

  • Histologically confirmed acute myeloid leukemia or acute lymphoblastic leukemia

    • More than 5% blasts in the bone marrow or peripheral blood unrelated to recovery of normal hematopoiesis from prior chemotherapy
    • Failed at least 1 attempt at induction chemotherapy

  • Diagnosis of non-Hodgkin's lymphoma or Hodgkin's lymphoma

    • Refractory or relapsed after at least 1 regimen of standard chemotherapy

  • Diagnosis of chronic myelogenous leukemia in accelerated phase or blast crisis

    • Received at least 1 myelotoxic chemotherapy regimen
• Active CNS involvement allowed

PATIENT CHARACTERISTICS:

Age

• 55 and under

Performance status

• ECOG 0-2

Life expectancy

• At least 5 weeks

Hematopoietic

• Lymphoma patients:

  • WBC at least 2,000/mm^3*
  • Platelet count at least 20,000/mm^3* NOTE: *Unless due to bone marrow involvement or disease process

Hepatic

• Bilirubin no greater than 3 times normal*
• AST/ALT no greater than 3 times normal*
• Alkaline phosphatase no greater than 3 times normal*
• No severe liver failure NOTE: *Unless related to leukemia

Renal

• Creatinine clearance greater than 50 mL/min
• No severe renal failure

Cardiovascular

• LVEF at least 45% by MUGA

Pulmonary

• DLCO at least 60% of predicted

Other

• HIV negative
• Not pregnant or nursing
• Negative pregnancy test
• Fertile patients must use effective contraception
• No psychiatric illness that would preclude informed consent
• No medical illness or other condition that would preclude study participation

PRIOR CONCURRENT THERAPY:

Biologic therapy

• Not specified

Chemotherapy

• See Disease Characteristics
• At least 24 hours since prior hydroxyurea
• At least 1 week since other prior chemotherapy

Endocrine therapy

• Not specified

Radiotherapy

• Not specified

Surgery

• Not specified

Other

• Recovered from prior therapy