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
Most common histological variety of Uterine carcinoma is? 
Select and explain. 
A. Squmous cell carcinoma, B. Columnar cell carcinoma, C. Adeno carcinoma, D. Mixed carcinoma
C: Adeno carcinoma
Answer: C: Adeno carcinoma 
Explanation: 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.