This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'A female patient has adenocarcinoma uterus along with sarcoma of uterus. It is known as: \nSelect and explain. \nA. Homologous sarcoma, B. Sarcoma uterus, C. Mixed Mullerian carcinogenesis, D. Heterologous sarcoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mixed mullerian carcinoma is a mixture of both carcinomatous and sarcomatous element.\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 \n\nRepresent 50% of all uterine sarcoma.\nMost common combination is of serous carcinoma with endometrial sarcoma.\nMost commonly occur in postmenopausal women.\n\nRemember:\n\nMost common histologic type of uterine sarcoma is carcinosarcoma.\nMost common symptom of uterine sarcoma is bleeding.\nSurgery is main stay of treatment followed by chemotherapy.\n\nAlso know:\nHeterologous tumors: If sarcoma component of mixed mullerian tumors mimic extra uterine tissue (viz - striated muscle cell, cartilage, adipose tissue and bone) it is known as Heterologous tumor.\nHomologous tumor: If mesenchymal/ sarcomatous component of mixed mullerian tumor consists of malignant endometrial or smooth muscle differentiation, the term homologous is used.', 'role': 'assistant'}]