Spontaneous regression in chronic lymphocytic leukaemia. Clinical features of 50 cases from the ERIC registry and review of the literature.

Address: Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy.; Department of Hematology, Hospital Clinic, University of Barcelona, Barcelona, Spain.; Department of Hematology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.; Danish Cancer Society Research Center, Copenhagen, Denmark.; Department of Haematology, University Hospitals Dorset, Bournemouth, UK.; Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy.; Department of Hematology, Niguarda Cancer Center, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy.; IRCCS, Pavia, Italy.; Hematology Unit AO of Cosenza, Cosenza, Italy.; Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy.; National Center for Cancer Care and Research, Doha, Qatar.; Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India.; Università Vita-Salute San Raffaele and IRCCS Ospedale San Raffaele, Milan, Italy.; Hematology, Medicine Clinic, Falun Hospital, Falun, Sweden.; Department of Hematology, Uppsala University Hospital, Uppsala, Sweden.; Department of Molecular Medicine, Sapienza University, Rome, Italy.