P1709: FERTILITY PRESERVATION FOR YOUNG ADULT ACUTE LYMPHOBLASTIC LEUKEMIAS IN ITALY: A CAMPUS ALL SURVEY. (23rd June 2022) - Giglio, F.; Bruno, A.; Dargenio, M.; Cerrano, M.; Del Principe, M. I.; Forghieri, F.; Fumagalli, M.; Guolo, F.; Imovilli, A.; Lunghi, M.; Mazzone, C.; Papayannidis, C.; et al.