<prompt> After undergoing a partial cystectomy for carcinoma of the rectum, a 76-year-old woman develops a vesicovaginal fistula. The repair will have a higher chance of success if which of the following occurs?Scare tissue is not excisedThe bladder wall is closed under tensionRepair is performed more than 6 months after the causative operationRepair is performed within 7-14 days of the onset of symptoms  <response>: Repair of vesicovaginal fistula is recommended after enough time has passed, to allow a reduction in the inflammatory reaction and even spontaneous closure to occur. To promote spontaneous closure, a Foley catheter is inserted for bladder drainage. It is advised to perform meticulous repair, excision of previous fistulous tract, and tension-free anastomosis. Frequently an omental interposition helps to separate overlapping suture lines. 