intraoperative perforation
Results: The mean distance of the lower umferential resection margins (CRM) the intraoperative perforation (IOP) rate from 28.2% to 8.2 margin of the tumor from the anal margin 1.6cm.
Results : The mean distance of the lower umferential resection margins ( CRM ) the intraoperative perforation ( IOP ) rate from 28 .2% to 8 .2 margin of the tumor from the anal margin 1 .6cm .