Karpathiou G, et al. – Here, researchers depict different degrees of cellular proliferation, eosinophilic cells, autoimplants, and adenofibromatous architecture features and correlate them with clinical characteristics. The outcome of this study suggests the degree of epithelial proliferation, autoimplants, adenofibromatous architecture, and the presence of eosinophilic cells are important features in ovarian borderline tumors.