NCI Dictionary of Cancer Terms

  • Resize font
  • Print
  • Email
  • Facebook
  • Twitter
  • Google+
  • Pinterest

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.

A measure of length in the metric system. There are 100 centimeters in a meter and 2½ centimeters in an inch.

EnlargeTumor size compared to everyday objects; shows various measurements of a tumor compared to a pea, peanut, walnut, and lime

Pea, peanut, walnut, and lime show tumor sizes.