This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecology, Subject name: Gynaecology & Obstetrics
[{'content': 'You see four postmenopausal patients in the clinic. Each patient has one of the conditions listed, and each patient wishes to begin hormone replacement therapy today. Which patient would you sta on therapy at the time of this visit? \nSelect and explain. \nA. Mild essential hypeension + tension headache, B. Liver disease with abnormal liver function tests, C. Treated stage III endometrial cancer, D. Undiagnosed genital tract bleeding', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Absolute contraindications to postmenopausal hormone replacement therapy are estrogen-dependent tumors (breast or uterus) active thromboembolic disease undiagnosed genital tract bleeding active severe liver disease malignant melanoma. Past or current history of hypeension, diabetes, or biliary stones does not automatically disqualify a patient for hormone replacement therapy.', 'role': 'assistant'}]