proctosigmoidectomy

[ prŏk′tō-sĭg′moi-dĕktə-mē ]

n.

The excision of the rectum and the sigmoid colon.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.