Fig. 3From: T cell exhaustion is associated with the risk of papillary thyroid carcinoma and can be a predictive and sensitive biomarker for diagnosisThe expression of PD-1 in peripheral blood of HP, PTC&noHT and PTC&HT. A. The CD3 + PD-1+ expression among HP, PTC&noHT and PTC&HT. B. The CD3 + CD4 + PD-1+ expression among HP, PTC&noHT and PTC&HT. C. The CD3 + CD8 + PD-1+ expression among HP, PTC&noHT and PTC&HT(*P < 0.05)Back to article page