SACK1A and breast cancer: FAM83A was overexpressed in early stages of BC (T1, p = 1.8E-12 and T2, p = 6E-07 for both positivity and H-score analyses) more than in the later stages (T3: p = 0.001 and T4: p = 0.01 for positivity; T3: p = 0.001 and T4: p = 0.008 for H-score, Fig. 1D).