Gleason tumor grade

Glea·son tu·mor grade

(glē'sŏn),
a classification of adenocarcinoma of the prostate by evaluation of the pattern of glandular differentiation; the tumor grade, known as Gleason score, is the sum of the dominant and secondary patterns, each numbered on a scale of 1 to 5.
Farlex Partner Medical Dictionary © Farlex 2012

Glea·son tu·mor grade

(glē'sŏn tū'mŏr grād)
A classification of adenocarcinoma of the prostate by evaluation of the pattern of glandular differentiation; the tumor grade, known as Gleason score, is the sum of the dominant and secondary patterns, each numbered on a scale of 1-5.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Gleason,

Donald F., U.S. pathologist, 1920–.
Gleason score
Gleason tumor grade - a classification of adenocarcinoma of the prostate.
Medical Eponyms © Farlex 2012