- Rai Stage I through IV disease with evidence of progression as evidenced by the presence of one or more of the following:1. Disease-related B symptoms (fever of greater than 38 celsius (100.5 F) for greater than or equal to 2 weeks without evidence of infection, night sweats without evidence of infection, weight loss >10% within previous 6 months. 2. Evidence of progression marrow failure as manifested by: a. decrease in hemoglobin to <11g/dL or b. decrease in platelet count to <100x10 to the ninth/L within the previous 6 months or c. decrease in absolute neutrophil count (ANC) to <1.0x10 to the ninth/L within the previous 6 months. 3. Progressive splenomegaly to >2 cm below the left costal margin or other organomegaly with progressive increase over 2 consecutive clinic visits greater than or equal to 2 weeks apart. 4. Progressive lymphadenopathy with at least 5 sites of involvement with either two nodes at least 2cm in longest diameter or one node greater than or equal to 5cm in longest diameter with progressive increase over 2 consecutive visits greater than or equal to weeks apart. 5. Progressive lymphocytes with an increase of >50% over a 2-month period, or an anticipated doubling time of less than 6 months.