Figure 1. Differential expression of HOXD1, HOXD3, and HOXD4. (A–C) The expression of HOXD1, HOXD3, and HOXD4 in 33 types of cancer respectively. (D) HOXD1, HOXD3, and HOXD4 were overexpressed in 9 cancers, which were CHOL, DLBC, HNSC, LGG, LIHC, LUAD, PAAD, SKCM, THYM, and low expressed in BRCA, COAD, KICH, KIRC, KIRP, READ, TGCT.