Coloanal anastomosis

Coloanal anastomosis is a surgical procedure in which the colon is attached to the anus after the rectum has been removed. Also called coloanal pull-through. Coloanal anastomosis is a surgical procedure in which the colon is attached to the anus after the rectum has been removed. Also called coloanal pull-through.  This article incorporates public domain material from the U.S. National Cancer Institute document 'Dictionary of Cancer Terms'.