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
Long term used taxmoxifen causes : 
Select and explain. 
A. Endometrium Ca, B. Ovary Ca, C. Cervix Ca, D. Vagina Ca
A: Endometrium Ca
Answer: A: Endometrium Ca 
Explanation: Endometrium Ca