This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Female Genital Tract, Subject name: Pathology
[{'content': "Serum lactate dehydrogenase (LDH) increased with normal alpha fetoprotein (AFP) is seen with: \nSelect and explain. \nA. Dysgerminoma, B. Yolk sac tumor, C. Brenner's, D. Mucinous cystodenocarcinoma", 'role': 'user'}, {'content': 'Answer: A \nExplanation: ANS. A# Histology slides of gynecological malignanciesGranulosa cell tumor (coffee bean nuclei)Yolk sac tumorKrukenberg tumor (spindle cells)', 'role': 'assistant'}]