Retrospective Observational Study of Italian Cohort of Lymphoma Patients (RETRO-LYMPH)

observational, non-interventional, retrospective, single-center study focusing on patients with lymphoma / lymphoproliferative syndrome between January 1980 and September 2021. Study objectives are to enrich the data on the prognostic role of clinical and epidemiological factors associated with clinical and epidemiological data of patients; * to identify the factors that affect the evolution of the disease, such as lifestyle and occupational factors, as well as the type of treatment; * to provide a platform for future research projects; * Description of the various therapies that have occurred over time, duration of treatment, causes of interruption of treatment, responses; * Description of the adverse events / safety of the various therapies for lymphoma and lymphoproliferative syndromes; * Patient survival. Descriptive analyses will be conducted by tabulating frequency distributions and percentages and mean and median values, standard deviations, quartiles and extreme values for continuous variables. Progression-free survival, disease-free survival and overall survival will be examined using Kaplan-Meier point estimates