Zubrod performance status 0-2 within 28 days prior to study entry Patients must have Zubrod performance status 0-1 documented within 28 days prior to screening/pre-screening registration Patients must have Zubrod performance status 0-1 documented within 28 days prior to sub-study registration STEP 3 CROSSOVER REGISTRATION (OPTIONAL): Patients must have a Zubrod performance status of 0 or 1 Zubrod performance status 0, 1, or 2 within 30 days prior to registration. Zubrod performance status 0-1 within 21 days prior to registration Zubrod performance status =< 2 within 60 days prior to registration Patient must have Zubrod performance status 0 or 1 documented within 28 days prior to step 1 registration Patients must have a Zubrod performance status of 0-1 documented within 28 days prior to step 2 registration Patients must have a Zubrod performance status of 0-1 documented within 28 days prior to step 3 registration Post-operative Zubrod performance status 0-1 within 60 days prior to step 2 registration Zubrod performance status 0-1 within 30 days prior to registration Zubrod performance status 0-2 within 30 days prior to Step 1 registration Zubrod performance status of 0-1 within 8 weeks prior to registration Zubrod performance status 0-1 within 90 days prior to registration Zubrod performance status 0-1 within 30 days prior to registration Zubrod performance status of 0-1 within 28 days prior to registration Zubrod performance status of 0-1 within 14 days prior to registration Patients must have Zubrod performance status of 0-1 documented within 28 days prior to Step 2 re-registration Patients must have Zubrod performance status of 0-1 documented within 28 days prior to Step 2 re-registration Patients must have Zubrod performance status of 0-1 documented within 28 days prior to step 2 re-registration Zubrod performance status of 0-1 within 56 days prior to registration Zubrod performance status 0-1 within 30 days prior to registration Zubrod performance status 0-2 within 14 days prior to step 2 registration Zubrod performance status 0-1 within 8 weeks of registration REGISTRATION #2 - PRIOR TO CONSOLIDATION CHEMOTHERAPY: Patients must have Zubrod performance status 0-1 Patients must have Zubrod performance status of 0-1 documented within 28 days prior to RE-TREATMENT registration Zubrod performance status 0-1 within 60 days prior to step 1 registration Performance status of 0, 1 or 2 within 28 days prior to registration Zubrod performance status =< 2 within 45 days prior to study registration Zubrod performance status 0-2 within 30 days prior to registration Zubrod performance status 0-2 =< 45 days prior to registration Zubrod performance status 0-1 within 30 days prior to registration Zubrod performance status 0-1 within 14 days prior to registration Patients must have Zubrod performance status 0-2 within 28 days prior to registration