Meng reported that 70.1% of patients showed positive PD-L1 expression, while 68.0% showed positive PD-1 expression in cervical cancer; both of these were more commonly observed in patients with advanced-stage carcinoma, lymph node metastasis, vascular invasion, HPV infection, or previous history of neoadjuvant chemotherapy (46). This evidence concerns the gene CD274 and cervical carcinoma.