This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
A 25 years old female was diagnosed to have choriocarcinoma, management is: 
Select and explain. 
A. Chemotherapy, B. Radiotherapy, C. Hysterectomy, D. Hysterectomy and then radiotherapy
A: Chemotherapy
Answer: A: Chemotherapy 
Explanation: Choriocarcinoma can be considered a carcinoma of chorionic epithelium. The characteristic difference from hydatidiform mole is the absence of villous pattern.(refer pgno:172 sheila textbook of obstetrics 2 nd edition)