S100A9 and neoplasm: Tumor cells were identified by Baiap2l1 and Rpl39l, macrophages were identified by the expression of Adgre1 and Csf1r, CAFs were marked by Col1a1 and Bgn, T cells expressed the T-cell receptor (TCR) signaling mediators Cd3d and Cd3e, NK cells were identified by Ncr1 and Nkg7 expression, neutrophils were positive for Cxcr2 and S100a9 expression, and endothelial cells were positive for Cdh5 and Pecam1 (Figs. S3B and C).