Table 4 Distribution of CLL patients among stages of Binet and modified Rai staging systems. According to the modified Rai staging system 16 patients had low-risk disease, 15 patients had intermediate risk and 9 patients were in the high-risk category. According to the Binet staging system, 18 patients (45%) had stage A disease, 13 patients (32.5%) had stage B disease and 9 patients (22.55%) had stage C disease