"Epithelial ovarian cancer is a disease with grim prognosis and high-grade serous carcinoma (HGSC) is its most common subtype. Recent literature suggests that HGSC arises in the fallopian tube (FT) epithelium, rather then in the ovary, and metastasizes to the ovary early on in the process of transformation. This hypothesis is based, among other findings, on common morphologic and immunophenotypic ...