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: Pathology
[{'content': 'Incidence of most common malignant tumours in women is \nSelect and explain. \nA. Breast, B. Lung, C. Cervix, D. Ovary', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]