The BNP levels in the ESS group were 212.5(84.5-1200.0)pg/mL, while the BNP levels in the non-ESS group were 76.0(18.0-259.0)pg/mL; the levels in the ESS group were significantly higher than in the non-ESS group, which was a statistical difference (P = 0.002). The gene discussed is NPPB; the disease is endometrioid stromal sarcoma.