Table 4.
Comparison of clinicopathologic characteristics of MBC (n=40) and matched TNBC (n=40)
| Variables | Overall (n=80) | TNBC (n=40) | MBC (n=40) | P-value | |
|---|---|---|---|---|---|
| Age (years) | median(range) | 56.5(28,90) | 59(28,77) | 55(42,90) | 0.281 |
| Stage | I | 24(30) | 12(50.0) | 12(50.0) | 1 |
| II | 46(57.5) | 23(50.0) | 23(50.0) | ||
| III | 10(12.5) | 5(50.0) | 5(50.0) | ||
| Tumor Grade | 1 | 0(0) | 0(0) | 0(0) | 1 |
| 2 | 0(0) | 0(0) | 0(0) | ||
| 3 | 80(100) | 40(50.0) | 40(50.0) | ||
| Surgery | Lumpectomy | 39(48.8) | 22(56.4) | 17(43.6) | 0.371 |
| Mastectomy | 41(52.2) | 18(43.9) | 23(56.1) | ||
| Neoadjuvant | No | 62(77.5) | 31(50.0) | 31(50.0) | 1 |
| Yes | 18(22.5) | 9(50.0) | 9(50.0) | ||
| Radiation Therapy | No | 30(37.5) | 15(50.0) | 15(50.0) | 1 |
| Yes | 50(62.5) | 25(50.0) | 25(50.0) | ||
| Chemotherapy | No | 8(10) | 4(50.0) | 4(50.0) | 1 |
| Yes | 72(90) | 36(50.0) | 36(50.0) |
MBC Metaplastic breast cancer, TNBC Triple negative breast cancer