Expression of PD-1 on CD4⁺ Tumor-Infiltrating Lymphocytes in Tumor Microenvironment Associated with Pathological Characteristics of Breast Cancer

Figure 2

Association between CD4/PD-1 TILs, E-Cad expression, and Ki-67 index. (a) Association between E-Cad expression and CD4⁺/PD-1⁻ TILs. (b) Correlation between Ki-67 index and CD4⁺/PD-1⁺ TILs.

(a)

(b)