Fig. 2From: Prognostic significance of tumor-infiltrating lymphocytes in patients with operable tongue cancerCorrelation of tumor-infiltrating lymphocyte markers with pathological characteristics. The degree of correlation among CD4 (a), CD4/FOXP3 ratio (b), CD3/CD4 ratio (c), CD4/CD8 ratio (d) differs according to the pathological lymphovascular invasion (LVI) status. The correlation between CD4 and the CD8/FOXP3 ratio in LVI-negative (e) and LVI-positive tumors (f)Back to article page