This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Obs), Subject name: Gynaecology & Obstetrics
[{'content': 'A pregnant 35-year-old patient is at highest risk for the concurrent development of which of the following malignancies? \nSelect and explain. \nA. Cervix, B. Ovary, C. Breast, D. Vagina', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a, i.e. CervixRef: Williams obs 25/e, 1190', 'role': 'assistant'}]