Table 1.
Grade, Size, and Tumor Markers of 192 Primary Invasive Breast Cancers in the Study Group*
| Characteristic | Result, n (%) |
|---|---|
| (N = 192) | |
| Grade | |
| 1 | 49 (25.5%) |
| 2 | 93 (48.4%) |
| 3 | 50 (26.0%) |
| Size | |
| <20 mm | 120 (62.0%) |
| ≥20 mm | 72 (38.0%) |
| Receptor status | |
| ER+ HER2− | 134 (69.8%) |
| ER+ HER2+ | 27 (14.1%) |
| ER− HER2+ | 9 (4.7%) |
| ER− HER2− | 22 (11.5%) |
*There were 200 total breast malignancies in the study group: 192 primary invasive breast cancer, 7 ductal carcinoma in situ cases, and 1 lung cancer metastasis.
Abbreviations: ER, estrogen receptor; HER2, human epidermal growth factor 2.