Kiyasu et al16 based on the staining distribution defined the threshold of PD‐L1 in DLBCL and set the TC+ DLBCL as 30% and IC+ DLBCL as 20% with the anti‐PD‐L1 monoclonal antibody, clone EPR1161. This evidence concerns the gene CD274 and diffuse large B-cell lymphoma.