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 of the following investigations are used in FIGO staging of carcinoma cervix except: \nSelect and explain. \nA. CECT, B. Intravenous pyelography, C. Cystoscopy, D. Proctoscopy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Staging Procedures in Ca cervix (As recommended by FIGO).', 'role': 'assistant'}]