CD274 and diffuse large B-cell lymphoma: PD-L1+ DLBCL had lower OS than PD-L1- DLBCL (50% vs 75% at 2 years, p=0.0009) (maintained in multivariate analysis with Adj. p=0.0323)No significant difference in OS between mPD-L1+ and mPD-L1- DLBCL (p=0.31)