In stage 0 chronic lymphocytic leukemia, there are too many lymphocytes in the blood, but there are no other symptoms of leukemia. Stage 0 chronic lymphocytic leukemia is indolent (slow-growing).
Stages of CLL: Stage I
In stage I chronic lymphocytic leukemia, there are too many lymphocytes in the blood and the lymph nodes are larger than normal.
Stages of CLL: Stage II
In stage II chronic lymphocytic leukemia:
There are too many lymphocytes in the blood
The liver or spleen is larger than normal
The lymph nodes may be larger than normal.
Stages of CLL: Stage III
In stage III chronic lymphocytic leukemia:
There are too many lymphocytes in the blood
There are too few red blood cells
The lymph nodes, liver, or spleen may be larger than normal.
Stages of CLL: Stage IV
In stage IV chronic lymphocytic leukemia:
There are too many lymphocytes in the blood and too few platelets
The lymph nodes, liver, or spleen may be larger than normal
There may be too few red blood cells.
Stages of CLL: Refractory Chronic Lymphocytic Leukemia