FOXC1 and breast cancer: Samples of breast cancer (>5 cm) are considered stage T3-T4 tumors, and samples (<5 cm) are considered stage T1-T2 tumors [25]; 75 samples were from stage T1-T2, 14 samples were from stage T3-T4, and the proportion of FOXC1-positive tumors in each group was 56% (42/75) and 42.8% (6/14), respectively (Figure 2).