Supplementary Figure 8 shows that high expression of NBPF1 is associated with suppression of immune cell infiltration in patients with early-stage tumors as taken from the ssGSEA algorithm, which is consistent with our previous findings. However, it is not feasible for us to perform the aforementioned analysis on ACC patients with advanced tumors due to the small number of patients with stage N1 ACC (N = 9) and the fact that only one of them was assigned to the NBPF1-low expression group. Here, NBPF1 is linked to adrenal cortex carcinoma.