The<unk>  (BR<unk>  is a a histologic<unk>  assigned by pathologists to breast cancers. It is the most common type of cancer<unk>  system currently used. It is a semi-quantitative<unk> ng method based on three morphologic features of invasive breast cancers. The morphologic features that are used are:
Each of these features is assigned a score ranging from 1 to 3. The scores are then added together for a final sum that will range between 3 to 9. This value is then used to<unk>  the tumor as follows :
3-5<unk>  1 tumor (well-differentiated).
6-7<unk>  2 tumor (moderately-differentiated).
8-9<unk>  3 tumor (poorly-differentiated).
Bloom-Richardson grade
Caprini score
Child-Turcotte classification
Lauge-Hansen classification
Gleason score
Hoehn and Yahr scale
Goiter classification
Lymphadenopathy classification