Results showed that EWSAT1 was significantly increased in cancers like Skin Cutaneous Melanoma (SKCM), Glioblastoma multiforme (GBM), Ovarian serous cystadenocarcinoma (OV), and etc., while it was significantly decreased in Testicular Germ Cell Tumors (TGCT), Brain Lower Grade Glioma (LGG) and etc. This evidence concerns the gene EWSAT1 and ovarian serous cystadenocarcinoma.