NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,370 terms related to cancer and medicine.
We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.
- stage IV thymoma
- listen (... thy-MOH-muh)
Stage IV is divided into stages IVA and IVB, depending on where the cancer has spread. In stage IVA, cancer has spread widely around the lungs and heart. In stage IVB, cancer has spread to the blood or lymph system.