The patient is a male who is 56 years-old. 1. The majority of cases of CLL are the proliferation and accumulation of what type of lymphoyctes? 2. CLL is primarily a disease of what group of individuals (i.e., childhood, middle-age, or elderly)? 3. What flow cytometric markers are usually present in CLL? 4. Serum immunoglobulins may be normal early in CLL, but as the disease progresses what develops?

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