Fig3. Levels of PD1, PD-L1 and related cytokines before and after cervical cancer treatment. (serum) Five patients with cervical squamous cell carcinoma were followed up for 6 months to find out the changes of IL-2(a ), IL-6(b ), IL-10(c ), INF-γ(d ), TNF-β(e ), Foxp3(f ), PD1(g ), PD-L1(h ) in peripheral blood plasma before and after surgery measured with ELISA kits. And tested on the day after treatment, 7, 30, 60, 90, 120, 150 and 180 days. Data are reported as mean±SEM.