CD4 and cancer: There were ten cell types from Bi’s dataset, i.e., B cells, CD4+ T cells (CD4Ts), CD8+ T cells (CD8Ts), dendritic cells (DCs), monocytes, tumor-associated macrophages (TAMs), natural killer cells (NKs), natural killer T cells (NKTs), regulatory T cells (Tregs) and cancer cells, as well as three cell types from Au’s dataset: CD4Ts, CD8Ts and Tregs.