NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,198 terms related to cancer and medicine.
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- distal colon
- listen (DIS-tul KOH-lun)
The last part of the colon. The distal colon includes the descending colon (the left side of the colon) and the sigmoid colon (the S-shaped section of the colon that connects to the rectum).