- Arm III: Patients receive cyclophosphamide IV and doxorubicin IV over 5 minutes on day 1, vincristine IV and bleomycin IM (or IV if necessary) on day 8, etoposide IV over a minimum of 30 minutes on days 1-3, oral procarbazine on days 1-7, and oral prednisone on days 1-14. Treatment repeats every 3 weeks for 4 courses.