part_of part of part of has_disease_location ovarian neoplasm ovary Ovarian Sclerosing Stromal Tumor NCIt:C4204 A benign ovarian stromal tumor characterized by the presence of cellular areas which contain fibroblasts and round cells. The cellular areas are separated by sclerotic or edematous hypocellular tissue. Symptoms include abdominal discomfort and menstrual abnormalities.