LRRC32 and neoplasm: In non-irradiated mice, GARP+ Tregs infiltration in our 4T1 model was 0.88 % ± 0.10 % while, after irradiation, the GARP+ Tregs population was significantly increased in tumours (1.78 % ± 0.37 %, ∗p = 0.0180).