C7 and cancer: There are 26 genes in the ensemble meta-classifier, including genes involved in skin cell differentiation (CLEC2A, KRT6B, KRT14, KRT17, KRTDAP), immunity (S100A7, S100A7A, IL20RB, C7, PRG2, SERPINB4, WFDC5, FKBP1B), cell adhesion (PVRL4), energy/metabolism (PC, TSHR), cancer metastasis (AFAP1-AS1) and suppression (DMBT1), cellular redox (GSR), cell signaling (GNG2), cell division (ZSWIM7), protein synthesis and modification (RPS28, RPN2), and transcriptional regulation (ZNF653, PAX1).