Table 2 Comparison of anatomic and prognostic stage classifications in patients enrolled in the ShortHER trial
From: Validation of the AJCC prognostic stage for HER2-positive breast cancer in the ShortHER trial
AJCC prognostic stage | |||||||
|---|---|---|---|---|---|---|---|
IA | IB | IIA | IIB | IIIA | IIIB | Tot | |
N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |
AJCC anatomic stage | |||||||
IA | 469 (100) | 0 | 0 | 0 | 0 | 0 | 469 (37.7) |
IB | 40 (100) | 0 | 0 | 0 | 0 | 0 | 40 (3.2) |
IIA | 222 (55.6) | 24 (6.0) | 153 (38.3) | 0 | 0 | 0 | 399 (32.1) |
IIB | 2 (1.3) | 92 (61.7) | 0 | 55 (36.9) | 0 | 0 | 149 (12.0) |
IIIA | 0 | 23 (19.0) | 48 (39.7) | 0 | 50 (41.3) | 0 | 121 (9.7) |
IIIB | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
IIIC | 0 | 0 | 0 | 0 | 9 (13.6) | 57 (86.4) | 66 (5.3) |
Tot | 733 (58.9) | 139 (11.2) | 201 (16.2) | 55 (4.4) | 59 (4.7) | 57 (4.6) | 1244 (100) |