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NCI Dictionary of Cancer Terms

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coloanal pull-through  listen  (KOH-loh-AY-nul PUL-throo)

  A surgical procedure in which the colon is attached to the anus after the rectum has been removed. Also called coloanal anastomosis.

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Three-panel drawing showing rectal cancer surgery with anastomosis; first panel shows area of rectum with cancer, middle panel shows cancer and nearby tissue removed, last panel shows the colon and anus joined.