Chronic Lymphocytic Leukemia (CLL) is a slow-growing type of blood and bone marrow cancer that primarily affects a type of white blood cell called lymphocytes. It is the most common form of leukemia in adults, often diagnosed in individuals over the age of 60. CLL develops when the bone marrow produces too many abnormal lymphocytes, which do not function properly and crowd out healthy blood...
Dutch 
English
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek