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This group also had significantly shortened overall survival compared with others (38.4 months vs. 67.9 months P = .024). CONCLUSION Our data suggest that there is correlation between PD-L1 positivity and EBV positivity in tumor RS cells that are also associated with extranodal involvement, intermediate and high IPS score, presence of B symptoms, and advanced-stage disease. In addition, we identified a group of triple-positive (EBV+, RS-PD-L1+, mic-PD-1+) cHL patients who have a very high-risk disease. INTRODUCTION AND OBJECTIVES Many