NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,780 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.
- stage III childhood non-Hodgkin lymphoma
- listen (... non-HOJ-kin lim-FOH-muh)
Cancer is found (1) in at least one area above the diaphragm (the thin muscle below the lungs that helps with breathing and separates the chest from the abdomen) and in at least one area below the diaphragm; or (2) to have started in the chest; or (3) to have started in the abdomen and spread throughout the abdomen, and cannot be completely removed by surgery; or (4) in the area around the spine.