To further analyze the expression of prognosis-related genes in ovarian cancer, we compared the expression levels of the 12 identified prognostic genes (BANF1, CDK2AP2, DDT, EPS8, LRIG1, MRPL4, NUCB2, PAF1, PMP22, RABGAP1L, S100A13, and USO1) across different sample types. This evidence concerns the gene USO1 and ovarian cancer.