Long term follow-up of patients with chronic lymphocytic leukemia (CLL), B-prolymphocytic leukemia (B-PLL), T-cell prolymphocytic leukemia (T-PLL), Small lymphocytic lymphoma (SLL), T/Natural Killer large granular lymphocyte leukemia (T or NK-LGL), Hairy cell leukemia (HCL) and Richter's transformation
Confirmed diagnosis of CLL, B-PLL, T-PLL, SLL, T or NK-LGL, HCL or Richter's transformation
18 years of age or older
Signed, written informed consent
Newly diagnosed patients without treatment indication (eligible for watch and wait Approach Treatment within a clinical trial according to the AMG or status post participation in a clinical Trial)
Patients without confirmed diagnosis of CLL, B-PLL, T-PLL, SLL, T or NK- LGL, HCL or Richter's transformation
Cerebral dysfunction, legal incapacity