nonfunctioning tumor

Pronunciation: (non-FUNK-shuh-ning TOO-mer)

A tumor that is found in endocrine tissue but does not make extra hormones. Nonfunctioning tumors usually do not cause symptoms until they grow large or spread to other parts of the body. Also called endocrine-inactive tumor.

Definition from: Cancer.gov

2006-04-14 Date last modified: 2010-02-02