For example, Niedzwiechi et al. analyzed the expression of ctmiRNA-200c, ctmiRNA21, and ctmiRNA10b in 46 breast cancer patients (37 ER+/PR+ and 9 TNBC) and found higher expression of miRNA 200c in ER+/PR+ patients than in TNBC patients. The gene discussed is PGR; the disease is breast cancer.