PB2343: MONITORING PHYSICAL ACTIVITY OF OLDER ADULTS WITH HEMATOLOGICAL MALIGNANCIES. THE IMPORTANCE OF CONDUCTING AN INDIVIDUALIZED FOLLOW-UP PROGRAM TO PREVENT FUNCTIONAL IMPAIRMENT. (23rd June 2022) - Cotano Abad, L.; González de Villaumbrosia, C.; Miranda, C.; Velasco, A.; Salvatierra, M. G.; Torras, S.; Barrera, R.; García, V.; Gonzalez, S.; Olaya, G.; Saenz deTejada, A.; Valverde, C.; et al.