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': 'All are True about  endometrial carcinoma in clinical stage III except \nSelect and explain. \nA. Vaginal metastasis, B. Para aortic lymph node involvement, C. Peritoneal involvement, D. Pelvic lymph node involvement', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Endometrial cancer stage III:\nStage IIIA: Involvement of uterine serosa and/ or adnexa\nStage IIIB: Involvement of\xa0vagina\xa0and/or parametrium\nStage IIIC:\n\nIIIC1: Positive\xa0Pelvic nodes\nIIIC2: Positive\xa0Paraaortic nodes with or without positive pelvic nodes', 'role': 'assistant'}]