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': 'Treatment of stage-I endometrial carcinoma is : \nSelect and explain. \nA. Surgery, B. Chemotherapy, C. Radiotherapy, D. Hormone therapy', 'role': 'user'}, {'content': "Answer: A \nExplanation: Surgical staging, abdominal hysterectomy, bilateral salpingooophorectomy, omentectomy and pelvic as well as paraaoic lymph node sampling remains the cornerstone in the management of early endometrial cancers. Reference: Shaw's Textbook of Gynaecology 16th edition page no 511", 'role': 'assistant'}]