This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological oncology, Subject name: Gynaecology & Obstetrics
[{'content': 'Surgical staging of ovarian Ca all done except; \nSelect and explain. \nA. Peritoneal washing, B. Peritoneal biopsy, C. Omental biopsy, D. Palpation of organs', 'role': 'user'}, {'content': 'Answer: C \nExplanation: <p> Steps of surgical laparotomy in ovarian carcinoma; Ascites and peritoneal washing for cytology Systematic exploration of abdomen and pelvis Biopsy of suspicious areas Sampling of diaphragm Infracolic omentectomy Pelvic and paraoic node evaluation Careful documentation of operative findings Reference : textbook of gynaecology Sheila balakrishnan, 2nd edition, pg no :278 <\\p>', 'role': 'assistant'}]