S100A9 and neoplasm: Among the shared DEGs were genes associated with tumor invasion and migration (MMP7, MUC2, CEACAM6, DUOX2, CXCL1, CLCA1, H19, S100A9, NRP2, and IFITM1) [6, 10] which were more similar to the in vivo expression levels of tumor tissues (Fig. S5).