Table 2.

Clinicopathologic details of the neoadjuvant and adjuvant cohorts.

NeoadjuvantAdjuvant
n = 53 (%)n = 303 (%)
Histopathologic diagnosis
 Ductal NST39 (74)222 (73)
 Lobular2 (4)21 (7)
 Metaplastic1 (2)7 (2)
 Mixed6 (11)47 (16)
 Others5 (9)6 (2)
Grade
 14 (8)17 (6)
 225 (47)122 (40)
 324 (45)164 (54)
 Lymph node positive33 (62)112 (37)
 ER positive16 (30)206 (68)
 HER2 positive38 (72)66 (22)
Chemotherapy: anthracycline-based
 Without taxanes17 (32.1)149 (49)
 With taxanes27 (50.9)116 (38)
 With others9 (17)38 (13)
  • Note: ER and HER2 status was unknown in 5 neoadjuvant cases, and HER2 status was unknown in 2 adjuvant cases.

  • Abbreviations: neg, negative; NST, no special type; pos, positive.