P1087: FAVEZELIMAB (ANTI–LAG-3) AND PEMBROLIZUMAB CO-BLOCKADE IN PATIENTS WITH RELAPSED OR REFRACTORY CLASSICAL HODGKIN LYMPHOMA WHO PROGRESSED AFTER ANTI–PD-1 THERAPY: AN OPEN-LABEL PHASE 1/2 STUDY. (23rd June 2022) - Herrera, A. F.