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': 'The ideal treatment for metastatic choriocarcinoma in the lungs in a young woman is: \nSelect and explain. \nA. Chemotherapy, B. Surgery with radiation, C. Surgery, D. Wait and watch', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a, i.e. ChemotherapyRef. Shaw 14/e, p 235; COGDT 10/e, p 892, 893"Unlike other malignant lesion, the treatment of choriocarcinoma is mainly chemotherapy, both for local and distant metastasis." --Shaw 14/e, p 235', 'role': 'assistant'}]