label: Borderline Ovarian Serous Tumor/Atypical Proliferative Ovarian Serous Tumor
label_lc: borderline ovarian serous tumor/atypical proliferative ovarian serous tumor
description: "A non-invasive serous neoplasm that arises from the ovary and shows greater cellular proliferation and cytologic atypia as compared to benign ovarian serous tumors, but less as compared to low-grade ovarian serous carcinoma."