Conversely, TACSTD2 gene expression was the lowest in the metastatic samples, compared with the normal or tumor samples (metastatic vs. normal: 1.39-fold, p = 5.77 × 10−2; metastatic vs. tumor: 0.72-fold, p = 1.09 × 10−1) (Figure 2B). This evidence concerns the gene TACSTD2 and neoplasm.