<qa>  What is the name of the drug that you will receive in the cycle 1?If you are found to be eligible to take part in this study, you will be given the study drugs in 21-day cycles. The cycles will alternate between R-HCVAD and a combination of rituximab, methotrexate, and Ara-C. During Cycle 1 the R-HCVAD cycle, you will receive rituximab through a needle in your vein intravenously, or IV, on Day 1. The infusion will take about 1 hour. Cyclophosphamide will be given by IV every 12 hours for 3 days. Each infusion of cyclophosphamide will take about 3 hours. Doxorubicin will be given as a 15-minute infusion on Day 5 with the supervision of a nurse. Your doctor may also choose to give you the doxorubicin over 24-48 hours using a small pump that you will carry around your waist in a fanny pack. You will not have to stay in the hospital to receive this study drug. Vincristine will be given by IV, on Days 5 and 12. Each vincristine infusion will take about an hour. Dexamethasone will be given by mouth as a pill, capsule, or tablet on Days 2-5 and 12-15. You will also be given other standard medications to help prevent possible side effects of these medications such as nausea, vomiting, or rash. 