3.1. Tumor Dormancy-Related Genes (NR2F1, TGFβ, RARβ) Were Highly Expressed in the Dormant and Metastatic Cell Lines, and High NR2F1 Breast Cancer Enriched Multiple Cancer Metastasis-Related Pathways including TGFβ Signaling Gene Set. This evidence concerns the gene NR2F1 and breast carcinoma.