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': 'Hormone replacement therapy in post-menopausal women increases risk of all except \nSelect and explain. \nA. Breast cancer, B. Stroke, C. Colorectal cancer, D. Thromboembolism', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hormone replacement therapy in post-menopausal woman has an increased risk of\xa0\n\nBreast cancer\nStroke\nThromboembolism\nCholecystitis.', 'role': 'assistant'}]