In the immunohistochemical analysis (Supplementary Material 3), the tumor cells were positive for GATA-binding protein 3 (GATA3) and trichorhinophalangeal syndrome type 1 (TRPS1) (Figure 3c) but negative for HepPar1 and Glypican-3, which indicated that the tumor originated in the breast rather than the liver. This evidence concerns the gene TRPS1 and neoplasm.