CD4 and neoplasm: We also analyzed mTDLN tumor infiltration by diverse immune cell populations: Antigen-Presenting Cells (APC) (CD11c, DC-LAMP); Tumor-Associated Macrophage (TAM) subpopulations (CD68 and CD163); lymphocyte subpopulations (CD4, FoxP3, CD8 and CD20); and lymphoid structures such as PNAd+ High Endothelial Venules (HEVs) and CD20+ aggregates.