In GSE13507, high expression of AURKA in PBC was dramatically associated with tumor stage (χ2 = 11.815, P = 0.019), grade (χ2 = 17.927, P = 0.000), invasiveness (χ2 = 13.229, P = 0.001), and cancer-specific survival (χ2 = 4.557, P = 0.042). The gene discussed is AURKA; the disease is cancer.