NORAD and breast adenosis: The expression level of NORAD in the serum of BRCA patients (1.71, 0.33, 8.81) was significantly higher than that of healthy individuals (0.70, 0.62, 1.67), breast fibroma patients (1.54, 0.39, 2.68), and breast adenosis patients (1.00, 0.33, 2.14).