HOXC4 and adrenal cortex carcinoma: As a result, higher expression of HOXC4 was observed in 21 tumors, including ACC, BLCA, BRCA, CESC, CHOL, ESCA, GBM, HNSC, KICH, KIRP, LGG, LIHC, LUAD, LUSC, OV, PAAD, PRAD, STAD, TGCT and UCS (Figure 1D).