Table 2.
Number of Different Types of Morphological Structures in the Different Molecular Subtypes of Breast Tumors
| |
Premenopausal, n (%) |
Postmenopausal, n (%) |
||||
|---|---|---|---|---|---|---|
| No. of different types of morphological structures | Luminal | HER2-enriched | Triple-negative | Luminal | HER2-enriched | Triple-negative |
| 1 | 1 (3.3) | 1 (33.3) | 1 (25.0) | 2 (3.9) | 0 (0.0) | 3 (18.7)a |
| 2 | 9 (30.0) | 0 (0.0) | 1 (25.0) | 9 (17.6) | 3 (42.9) | 3 (18.7) |
| 3 | 11 (36.7) | 0 (0.0) | 0 (0.0) | 16 (31.5) | 3 (42.9) | 5 (31.3) |
| 4 | 7 (23.3) | 2 (66.7) | 2 (50.0) | 12 (23.5) | 1 (14.2) | 4 (25.0) |
| 5 | 2 (6.7) | 0 (0.0) | 0 (0.0) | 12 (23.5)a | 0 (0.0) | 1 (6.3) |
| Total | 30 | 3 | 4 | 51 | 7 | 16 |
a
p=0.04 (Fisher's exact test, differences between patients with luminal and triple-negative subtype).
n, number of patients with molecular subtype.