PD‐L1 expression with an H‐score >1 was found in 8/51 (16%) of the mutated cases harboring a MYD88 mutation and co‐expressing PD‐L1, with only two cases in each of the CNS, ENT, and skin, one case of PMBL, and one gastric lymphoma. This evidence concerns the gene CD274 and gastric lymphoma.