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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following is a non-molar trophoblastic neoplasm?
assistant
The correct answer is  GTD histologically is divided into hydatidiform moles, which are characterized by the presence of villi, and non-molar trophoblastic neoplasms, which lack villi.Nonmolar trophoblastic neoplasms include choriocarcinoma, placental site trophoblastic tumor,and epithelioid trophoblastic tumor.Reference: William&;s Obstetrics; 25th edition; Chapter 20; Gestational trophoblastic diseases