P1079: COMPARISON OF NOVEL SALVAGE REGIMENS AND TRADITIONAL SALVAGE CHEMOTHERAPY IN RELAPSED AND REFRACTORY CLASSIC HODGKIN LYMPHOMA. (23rd June 2022) - Ermann, D.; Vardell, V.; Zacholski, E.; Fegley, A.; Modi, D.; Fedak, K.; Sundaram, S.; Rajeeve, S.; Goyal, G.; Hatic, H.; Torka, P.; Ba Aqeel, S.; et al.