To confirm these data, we checked for correlation between G3BP2 and PD‐L1 proteins in 47 patient samples representing different breast cancer subtypes and found that G3BP2 and PD‐L1 were positively correlated (overall R2 = 0.8–0.9, P < 0.0001; Fig. 3B,C). Here, G3BP2 is linked to breast cancer.