NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,863 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.
- listen (hy-POK-see-uh)
- A condition in which there is a decrease in the oxygen supply to a tissue. In cancer treatment, the level of hypoxia in a tumor may help predict the response of the tumor to the treatment.