PB2261: DECREASE IN NEUTROPHIL-LYMPHOCYTE RATIO IMPACTS OVERALL SURVIVAL OF ADULT PATIENTS WITH HODGKIN LYMPHOMA AFTER ANTI-PD1 TREATMENT oleh Christos Varelas, Eleni Gavriilaki, Panagiotis Dolgiras, Michail Iskas, Chrysavgi Lalagianni, Syrigou Antonia, Maria Papathanasiou, Anastasia Marvaki, Chrysanthi Vadikolia, Despina Mallouri, Ioannis Batsis, Zoi Bousiou, Anna Vardi, Georgios Karavalakis, Nikolaos Spyridis, Alkistis Kyra Panteliadou, Marianna Masmanidou, Evangelia Yannaki, Georgios Arsos, Triantafillos Geroukis, Niki Stavrogianni, Ioanna Sakellari