NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,442 terms related to cancer and medicine.

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stage IVC anaplastic thyroid cancer
(... A-nuh-PLAS-tik THY-royd KAN-ser)
Stage IV is divided into stages IVA, IVB, and IVC. In stage IVC, the tumor is any size and cancer has spread to other parts of the body, such as the lungs or bones. Cancer may have spread to lymph nodes.