CD274 and classic Hodgkin lymphoma: Green et al. [16] and Roemer et al. [6] also found PD-L1 gene alterations in classical Hodgkin lymphoma (cHL) while Georgiou et al. [21] recently demonstrated various cytogenetic alterations of PD-L1 gene in diffuse large B-cell lymphomas (DLBCL) including gains, amplifications and translocations.