Table 1 Demographic and clinical features
Group | 1A | 1B | 2 | 3–1 | 3–2 |
|---|---|---|---|---|---|
Case number | 213 | 12 | 50 | 25 | 6 |
Age | 55.4 (12.9) | 57.2 (11.2) | 49.1 (11.2) | 56.2 (11.2) | 54.3 (8.5) |
ER (positive: negative) | 170:43 | 5:7 | 25:24* | 15:10 | 4:2 |
PR (positive: negative) | 153:60 | 4:8 | 21:28* | 10:15 | 3:3 |
HER2 (positive:IHC2+:negative) | 33:6:174 | 5:1:6 | 15:0:34 | 8:0:17 | 1:0:5 |
Stage | |||||
I | 71 | 2& | 3 | 0 | 1& |
II | 115 | 2& | 18 | 0 | 0 |
III | 24 | 4& | 28 | 0 | 1& |
IV | 0 | 1& | 0 | 25 | 4& |
Grade | |||||
I | 23 | 0 | 3 | 1 | 0 |
II | 119 | 5 | 33 | 18 | 4 |
III | 64 | 5 | 12 | 6 | 2 |
LVI (positive: negative) | 63:140 | 3:7 | 5:20 | 2:4 | 1:4 |
pCR (Y/N) | N/A | N/A | 11:30 | N/A | N/A |