This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Carcinoma Endometrium, Subject name: Gynaecology & Obstetrics
[{'content': 'Most common histological variety of Uterine carcinoma is? \nSelect and explain. \nA. Squmous cell carcinoma, B. Columnar cell carcinoma, C. Adeno carcinoma, D. Mixed carcinoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ANSWER: (C) AdenocarcinomaREF: Novaks gynaecology 14th ed.pg no 1350Uterine sarcomas are, in general, the most malignant group of uterine tumorsAbout 90% of women with endometrial carcinoma have vaginal bleeding or discharge as their only presenting symptom.The risk for endometrial cancer is 4 to 8 times greater in postmenopausal women receiving unopposed estrogen therapy, and the risk increases with time and higher estrogen doses.The endometrioid type of adenocarcinoma accounts for about 80% of endometrial carcinomas.', 'role': 'assistant'}]