Fig. 4From: APE1 may influence CD4+ naïve T cells on recurrence free survival in early stage NSCLCAPE1 expression level was associated with the CD4 + T cell infiltration. a The representative IHC images of APE1 and TILs density of CD4+ cells. b CD4 + T cell infiltration was negative associated with the APE1 expression level (P < 0.05)Back to article page