VERY EARLY FDG PET/CT SCAN MAY PREDICT OUTCOMES IN RELAPSED OR REFRACTORY DLBCL PATIENTS TREATED WITH SALVAGE THERAPY. (12th June 2019) - Westin, J.R.; Nastoupil, L.; Fayad, L.; Hagemeister, F.; Young, K.; McDonnell, T.; Neelapu, S.; Davis, R.E.; Green, M.; Ahmed, S.; Nair, R.; Steiner, R.; et al.