A25Prospective study of fertility preservation strategies in young early breast cancer patients: the PREFER (PREgnancy and FERtility) trial

M. Lambertini, P. Anserini, F. Poggio, G. Iacono, A. Levaggi, L. Miglietta, C. Bighin, S. Giraudi, P. Pronzato, L. Del Mastro. IRCCS AOU San Martino-IST, Department of Medical Oncology, U.O. Oncologia Medica 2, Genova, Italy, IRCCS AOU San Martino-IST, Department of Gynecology and Obstetrics, Genova, Italy, IRCCS AOU San Martino-IST, Department of Medical Oncology, U.O. Sviluppo Terapie Innovative, Genova, Italy