Patienter med kronisk lymfatisk leukæmi (CLL) har for mange abnorme lymfocytter, som fortrænger raske celler i knoglemarven, hvor de fleste nye blodceller dannes.
Patients with chronic lymphocytic leukaemia (CLL) have too many abnormal lymphocytes, which displace healthy cells in the bone marrow where most new blood cells are formed.