TNM staging

[ tē′ĕn-ĕm ]

n.

A system of evaluation of tumors, based on three variables: primary tumor (T), regional nodes (N), and metastasis (M).
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.