Involvement of Indoleamine 2,3-Dioxygenase in Impairing Tumor-Infiltrating CD8+ T-Cell Functions in Esophageal Squamous Cell Carcinoma
Figure 2
Association of IDO expression with the number of CD8+ TILs. There was a significant difference in both the number of intraepithelial CD8+ TILs (a) and stromal CD8+ TILs (b) between the tissues with IDO-high expression and IDO-low expression.
