Fig. 3From: High co-expression of immune checkpoint receptors PD-1, CTLA-4, LAG-3, TIM-3, and TIGIT on tumor-infiltrating lymphocytes in early-stage breast cancerCorrelation of immune checkpoint receptors (ICR) on tumor-infiltrating CD8+ TILs (a), correlation of ICR on tumor-infiltrating CD16+CD56dim NK cells (b), and correlation of ICR on tumor-infiltrating CD16-CD56bright NK cells (c)Back to article page