Circ-0009910 is an upregulated circRNA in ovarian cancer tissues that is positively associated with poor overall survival, advanced clinical stage, and lymph node metastasis; circ-0009910 ectopic expression increases the migration and invasion of ovarian cancer cells via upregulating MMP-9 and MMP-2 expression in ovarian cancer. Here, MMP9 is linked to ovarian carcinoma.