This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Surgery
[{'content': 'A 47 year old post menopausal lady was on adjuvant hormonal treatment with Tamoxifen for 3 years for Carcinoma Breast. She came to Outpatient Department with history of passing blood clots per vagina. She is probably suffering from: \nSelect and explain. \nA. Carcinoma Vulva, B. Carcinoma Vagina, C. Carcinoma Endometrium, D. Uterine fibroid', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Carcinoma Endometrium(Ref Surgery Sixer 3rd Edition Page 276)* Endometrial carcinoma is a dangerous complication on giving Tamoxifen due to continuous estrogenic stimulation on Endometrium.', 'role': 'assistant'}]