A Retrospective Multicenter Trial on Efficacy and Toxicity of Bendamustine Alone or Associated With Rituximab, As Salvage Therapy in Patients With Chronic Lymphoproliferative Disorders

All patients who meet the criteria for inclusion will be included in the study. A specific database will be created to collect the following information: personal data, medical history, histology related to the underlying disease, comorbidities, laboratory data, initial staging, data on the dosage and the number of cycles administered, the recorded toxicity data, the clinical response and the main events (relapse, progression, death, and cause of death). These data will then be retrospectively examined in order to obtain information about the life-saving treatment.