CD4 and neoplasm: In contrast, the percentage of CD8+ T cells was relatively comparable (ratio~1.0) to that of CD4+ T cells in the spleen or draining lymph node (DLN) of wt B6 recipients inoculated with tumors (spleen-TR or DLN-TR), or even lower in the spleen of wt B6 mice without tumor inoculation (WtB6 Spl) (Figure 1D, 1F).