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: Pharmacology
[{'content': 'Women receiving estrogen therapy have an increased risk of development of all of the following EXCEPT: \nSelect and explain. \nA. Breast cancer, B. Endometrial cancer, C. Carcinoma of the gall bladder, D. Hepatocellular carcinoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]