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
A 45-years old woman with diagnosis of atypical adenomatous hyperplasia of the endometrium should be treated by : 
Select and explain. 
A. Progesterone, B. Danazol, C. Hysteroscopic resection of endometrium, D. Hysterectomy
D: Hysterectomy
Answer: D: Hysterectomy 
Explanation: Hysterectomy