NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,441 terms related to cancer and medicine.

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stage IV colorectal cancer
(...KOH-loh-REK-tul KAN-ser)
Stage IV colorectal cancer is divided into stages IVA, IVB, and IVC. In stage IVA, cancer has spread to one area or organ that is not near the colon and/or rectum, such as the liver, lung, ovary, or a distant lymph node. In stage IVB, cancer has spread to more than one area or organ that is not near the colon and/or rectum, such as the liver, lung, ovary, or a distant lymph node. In stage IVC, cancer has spread to the tissue that lines the wall of the abdomen and may have spread to other areas or organs.