1. A gene expression panel or array indicative of the presence or stage of a cancer, said panel or array consisting of primers or probes capable of detecting genes selected from the group consisting of: (i) the genes PLS3, STAT4, TRAIL, CD1D and GATA3; (ii) the genes of (i) and one or more additional genes selected from CD26, RhoB, TNFRSF5, SCYA2, PF4, CSPG2, S100A12, KLF4, ARHB, KAL1, JUNB, DUSP1, ITGB1, TOB1, GS3955, IL11RA, Clorf29, MNDA, CX3CR1, DTR, RPA3, MADH7, CD79A, PLAU, SEC61G, and SCYA4; and (iii) the genes of (i) and one or more additional genes selected from PTMA, HNRPA1, RPL41, SERPINB6, TACC1, CX3CR1, and HNRPA2B1, ACTR1A, ARPC3, WASF2, SMARCA5, ACTB ARPC4, MYO1E, LDHA, LDHB, ATP5G3, NIMA, CCNF, CDC25A, CDC25B, FCGR3A, GNLY, PRF1, CD8A, CD2, IS2RG, GZMK, ITGAM, PFN1, TIA1, GZMB, and IL2RB.