Registry of the German CLL Study Group

Inclusion Criteria (all must apply) 1. Confirmed diagnosis of CLL, B-PLL, T-PLL, SLL, T or NK-LGL, HCL or Richter's transformation 2. 18 years of age or older 3. Signed, written informed consent 4. Presence of one or more of the following disease situations: * 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) * Treatment with standard therapies approved for the eligible entities or status post treatment (outside of clinical trials) * Referral for evaluation the indication for HSCT * Relapsed disease status (even if first diagnosis was prior to activation of the registry) Exclusion Criteria 1. Patients without confirmed diagnosis of CLL, B-PLL, T-PLL, SLL, T or NK- LGL, HCL or Richter's transformation 2. Cerebral dysfunction, legal incapacity