Table 1. Tumor characteristics of familial breast cancer patients.
| Characteristics | Familiala (N = 95) | |
|---|---|---|
| N | (%) | |
| Age (median, range) | 45 (24–74) | |
| ≤45 | 50 | (52.6) |
| >45 | 45 | (47.4) |
| Tumor size (cm) | ||
| ≤2 | 43 | (45.3) |
| >2 | 52 | (54.7) |
| Lymph node status | ||
| Negative | 35 | (38) |
| Positive | 57 | (62) |
| Grade | ||
| G1 + G2 | 57 | (60) |
| G3 | 38 | (40) |
| Perineoplastic invasion | ||
| Absent | 53 | (58.2) |
| Present | 38 | (41.8) |
| ER | ||
| Negative | 34 | (35.8) |
| Positive | 61 | (64.2) |
| PR | ||
| Negative | 37 | (39.4) |
| Positive | 57 | (60.6) |
| MIB1 | ||
| Negative | 31 | (32.9) |
| Positive | 63 | (67.1) |
| HER2 | ||
| Negative | 46 | (55.4) |
| Positive | 37 | (44.6) |
a
The total number of familial patients considered in this study including the 6 bilateral tumors.
Three patients had missing values for lymph node status, four patients had missing values for perineoplastic invasion, one patient for PR and MIB1 and twelve patients had missing values for HER2.