NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,926 terms related to cancer and medicine.
Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.
- rectal cancer
- listen (REK-tul KAN-ser)
Cancer that forms in the tissues of the rectum (the last several inches of the large intestine closest to the anus).