NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,894 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 (PA-pyool)
- A small, solid, raised bump on the skin that has a border with edges that are easy to see. Papules may be red, purple, brown, or pink.