This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
[{'content': 'Pelvic exenteration is known as \nSelect and explain. \nA. Miles Operation, B. Lloyds operation, C. Finch operation, D. Brunschwig operation', 'role': 'user'}, {'content': "Answer: D \nExplanation: Pelvic exenteration (or pelvic evisceration) or Brunschwig's operation is a radical surgical treatment that removes all organs from a person's pelvic cavity - rectum, anus, urinary bladder, urethra, all the lymph nodes, fat, fascia, uterus, vagina- with colostomy and urinary diversion. It is performed for many types of very advanced or recurrent cancers including genitourinary and colorectal cancers.Miles and Lloyd - Davies operations are types of abdominoperineal resection wherein sigmoid , descending colon and upper rectum are resected per abdominally and anal canal witg perianal and perirectal tissues are dissected per anally. Miles - abdomen first, perineum later; Lloyd - Davies- synchronised ( together or combined) Reference : page 958-59 SRB's manual of surgery 5th edition", 'role': 'assistant'}]