Gao et al. [66] showed that following ipilimumab therapy in prostate cancer patients, the expression level of VISTA and PD-L1 and infiltration of immune cells, especially CD68 + macrophages (VISTA + and PD-L1 +) that have M2 phenotype (suppressive phenotype) within the TME increased. The gene discussed is CD274; the disease is prostate carcinoma.