label: Borderline Ovarian Serous Tumor
label_lc: borderline ovarian serous tumor
description: "A low grade serous epithelial neoplasm arising from the ovary.  It is characterized by an atypical proliferation of serous-type epithelial cells without evidence of stromal invasion.  It is often asymptomatic but rarely it may present with abdominal pain or abdominal enlargement due to rupture or torsion."