PER AMENDMENT: Ten patients may qualify for one of two groups: Group 1 - T4 count 200 - 400 cells/mm3 and meet all criteria established for Group B of the original protocol; Group 2 - T4 count < 200 cells/mm3 and meet all criteria established for Groups C and D of original protocol. Patients will receive an amended schedule of PEG IL2 IV every other week for eight doses, with dose escalation every other week for eight weeks permitted only in Group 2 patients who failed to show a 20 percent rise in T4 count at week 9 and who suffered no CNS or other adverse events at the lower dose.