of the 172 patients undergoing subtotal colectomy and mucous fistula , 93 ( 54 per cent ) subsequently required rectal excision , 33 ( 19 per cent ) had ileorectal anastomosis performed as a second procedure , and in 46 ( 27 per cent ) the rectum has remained as a mucous fistula .
C0193062
rectal excision
C0034896
rectum