NCI Dictionary of Cancer Terms

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

The NCI Dictionary of Cancer Terms features 7,916 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.

true histiocytic lymphoma
(... HIS-tee-oh-SIH-tik lim-FOH-muh)
A rare, very aggressive (fast-growing) type of non-Hodgkin lymphoma (cancer that begins in the cells of the immune system). It is marked by large abnormal lymphoid cells that do not look like T cells or B cells.