GZMB and neoplasm: The data showed that the treatment of NK-enriched population with PD-L1_1 and ID-1 combination determined a stronger LDH release for all the tested tumor cell lines, when compared to that observed for the treatment with atezolizumab plus ipilimumab, along with higher secretion of IFNγ and Granzyme B, especially for the BT-474 and the MDA-MB-231 cell lines.