- Arm III (closed to accrual as of 11/30/1998): Patients receive vaccination as in arm I on day 1 and then high-dose IL-2 as in arm I on day 2. Patients with nonhematologic toxicity may only receive vaccination on weeks 4, 7, and 10. Other patients may also receive IL-2 beginning on day 2 of each treatment week (4, 7, and 10) for up to 14 doses.