EGFL8 and hepatocellular carcinoma: As is consistent with previous studies that observed an association between downregulated EGFL8 expression and malignant characteristics, including poor prognosis in gastric and colorectal cancers and hepatocellular carcinoma, our study also demonstrated that EGFL8 RNA expression levels correlate with overall survival (OS) and disease-specific survival (DSS) in human OC, as analyzed using patient samples from TCGA, GTEx, and the Human Protein Atlas data [21,22,23,28].