MINIMAL RESIDUAL DISEASE (MRD) IN EARLY STAGE FOLLICULAR LYMPHOMA CAN PREDICT PROGNOSIS AND DRIVE RITUXIMAB TREATMENT AFTER RADIOTHERAPY. (June 2017) - Pulsoni, A.; Della Starza, I.; Cappelli, L.V.; Tosti, M.E.; Annechini, G.; Cavalli, M.; De Novi, L.A.; D'Elia, G.M.; Grapulin, L.; Guarini, A.; Del Giudice, I.; Foa', R.