All EBV-associated malignancies were anticipated to be PDL1 positive in PCNSL [7], peripheral T-cell lymphoma, ALK-positive ALCL, extranodal NK/T-cell lymphoma of the nasal type, cutaneous T-cell lymphoma, and adult T-cell leukemia/lymphoma [27]. Here, CD274 is linked to adult T-cell leukemia/lymphoma.