CD274 and neoplasm: Interestingly, GD2-EATs and GD2-EATs plus anti-PD-L1 appeared to eliminate GD2high tumor cells while leaving GD2low tumor cells behind (by IHC), but GD2-EATs plus anti-PD-1 did not show such effects (Fig. 4c), consistent with the lack of benefit from anti-PD-1 combination with EAT therapy.