From: Septin 9 isoform expression, localization and epigenetic changes during human and mouse breast cancer progression
Grade
Normal copy number
1 or 2 extra copies
3 or 4 extra copies
> 4 extra copies
BB (n = 7)
7
0
DCIS (n = 29)
16
8
4
1
Well diff. (n = 1)
Moderately diff. (n = 13)
2
5
Poorly diff. (n = 10)
6