NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,926 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.
- A registered nurse who has additional education and training in how to diagnose and treat disease. NPs are licensed at the state level and certified by national nursing organizations. In cancer care, an NP may manage the primary care of patients and their families, based on a practice agreement with a doctor. Also called advanced practice nurse, APN, and nurse practitioner.