BNIP3 and ovarian cancer: High BNIP3 level remained correlated with poor OS in patients with serous (OS: 95% CI; HR = 1.23, 1.05–1.43; P = 0.0085) and advanced stage (OS: 95% CI; HR = 1.23, 1.06–1.43; P = 0.0058) ovarian cancer.