CD4 and cancer: We further divided cancer cells into six subsets (Figure S3, Supporting Information), fibroblasts into six subsets (Figure S4, Supporting Information), and immune cells into monocytes (Cd14+ monocytes, M1 macrophages, M2 macrophages, and DCs) and T cells (CD8+ T cells, CD4+ T cells, Dnajb1 high cells, and Dnajb1 low cells) (Figure S5, Supporting Information).