Characteristic | Number | Percentage | |
---|---|---|---|
Age, years | |||
Mean (n = 76) | 53 | ||
Range | 29–72 | ||
T-stage prior to NAC | |||
T1 | 13 | 16 | |
T2 | 46 | 58 | |
T3 | 15 | 19 | |
T4 | 5 | 6 | |
Tx | 1 | 1 | |
N-stage prior to NAC | |||
N0 | 49 | 61 | |
N1 | 22 | 28 | |
N2 | 3 | 4 | |
N3 | 6 | 8 | |
Histology | |||
Invasive carcinoma NST | 71 | 89 | |
Lobular carcinoma | 9 | 11 | |
DCIS | |||
Present | 21 | 26 | |
Absent | 45 | 56 | |
Unknown | 14 | 18 | |
Subtype by receptor status | |||
ER/PR+ HER2+ | 13 | 16 | |
ER/PR+ HER2- | 48 | 60 | |
ER- PR-HER2+ | 6 | 8 | |
ER-PR-HER2- | 13 | 16 | |
Grade | |||
1 | 2 | 3 | |
2 | 35 | 44 | |
3 | 25 | 31 | |
Unknown | 18 | 23 | |
Surgical method | |||
Mastectomy | 46 | 58 | |
Lumpectomy | 34 | 43 |