This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'In which of the following genital tract malignancy, the risk of metastasis to ovary is the least? \nSelect and explain. \nA. Carcinoma cervix, B. Carcinoma endometrium, C. Carcinoma fallopian tube, D. Uterine sarcoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Carcinoma cervix is associated with minimum risk of metastasis to the ovary amongst the options provided. Ovarian metastasis from cervical squamous cell carcinoma is rare (0-0.5 %). Ref: The Ovary By P. C. K. Leung, E. Y. Adashi, 2004, Page 567.', 'role': 'assistant'}]