Platelets >= 100,000/mcL assessed within seven (7) days prior to the start of therapy REGISTRATION #2 - PRIOR TO CONSOLIDATION CHEMOTHERAPY: Platelets >= 100,000/mcl Obtained within 30 days of registration: Platelets >= 75,000/mcL or >= 50,000/mcL with documented bone marrow involvement Platelets >= 100,000/mcL within 28 days prior to registration Obtained =< 7 days prior to registration: Platelets (PLT) >= 100,000/mm^3 Platelets >= 100,000/L (unsupported), within 14 days of registration and within 7 days of the start of treatment Platelets >= 75,000/mcL (75 x 10^9/L) obtained within 2 weeks prior to registration Platelets >= 50,000/mcl within 28 days prior to registration Registration Step 3 � Maintenance: Patients must have adequate marrow function as evidenced by platelets >= 75,000/mcl within 28 days prior to registration Obtained within 28 days prior to registration: Platelets >= 75,000/mcL Within 14 days prior to registration: Platelets >= 100,000/mcL Platelets greater than or equal to 100,000/mcl, within 14 days prior to registration Obtained within 28 days prior to registration: Platelets >= 50,000/mcl Platelets >= 100 x 10^9/L within 14 days prior to registration. Within 28 days prior to registration: Platelets >= 75,000/mcL Within 14 days prior to registration: Platelets >= 100,000/mcl Within 28 days prior to administration of study treatment: Platelets >= 100,000/mcL Within less than or equal to 14 days prior to registration: Platelets >= 100 x 10^9/L Within 28 days prior to administration of therapy: Platelets >= 100,000/mcL Platelets >= 100,000/mcL, obtained within 28 days prior to step 2 registration Platelets >= 100,000/mcL within 28 days prior to registration Platelets >= 75,000/mcL within 28 days prior to registration Platelets >= 100,000/mcL within 28 days prior to registration