Cell Type Cell Type Activated T cells Any B cells B cells (subset) Circulating Tumor Cells CTC Cytotoxic T cells Dendritic cells Endothelial cells Epithelial cells Granulocytes Helper T cells Leukocytes Macrophages Monocytes Monocytes (subset) Most tissue cells Neutrophile Granulocytes NK cells NK cells (subset) Platelets T cells Thymocytes