This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological oncology, Subject name: Gynaecology & Obstetrics
[{'content': 'What is the ideal treatment for a 55-years female with Simple hyperplasia of endometrium with Atypia : \nSelect and explain. \nA. Simple Hysterectomy, B. Medroxy Progesterone Acetate (DMPA), C. Levonorgesterol (LNG), D. IUCD', 'role': 'user'}, {'content': 'Answer: A \nExplanation: With atypia, hysterectomy is the best option There is 25% association with coexisting endometrial carcinoma and a high risk of progression to endometrial cancer Reference : Textbook of Gynaecology; Sheila balakrishnan; 2nd edition; Pg no: 247', 'role': 'assistant'}]