Ovarian Undifferentiated Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** An aggressive carcinoma arising from the ovary. Most patients present with advanced disease. Microscopically, it is characterized by significant cytologic atypia, increased mitotic activity, and necrosis. The prognosis is usually poor.

**Synonyms:** - Anaplastic Carcinoma of Ovary - Anaplastic Carcinoma of the Ovary - Anaplastic Ovarian Carcinoma - Undifferentiated Carcinoma of Ovary - Undifferentiated Carcinoma of the Ovary - Undifferentiated Ovarian Cancer - Undifferentiated Ovarian Carcinoma