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
The ideal treatment for metastatic choriocarcinoma in the lungs in a young woman is: 
Select and explain. 
A. Chemotherapy, B. Surgery with radiation, C. Surgery, D. Wait and watch
A: Chemotherapy
Answer: A: Chemotherapy 
Explanation: 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