NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,613 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 malignant pleural mesothelioma
(...muh-LIG-nunt PLOOR-ul MEH-zoh-THEE-lee-OH-muh)
Cancer has spread to tissue covering the lung or the lung on the opposite side of the chest, peritoneum, bones, liver, lymph nodes outside the chest, or to other parts of the body.