This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gestational Trophoblastic Disease, Subject name: Gynaecology & Obstetrics
[{'content': 'Treatment of choice choriocarcinoma is: \nSelect and explain. \nA. Chemotherapy, B. External beam radiotherapy, C. Hysterectomy, D. Intracavitary brachytherapy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Chemotherapy* The treatment of choice of choriocarcinoma is mainly chemotherapy both for local and distal metastasis. The drug of choice for the same is methotrexate. It is given orally 5mg five times a day for 5 days. Side effects of Methotrexate are ulcerative stomatitis, gastric hemorrhage, skin reaction, alopecia, bone marrow suppression, Liver and Kidney damage.', 'role': 'assistant'}]