Table 4. Clinicopathologic information from breast cancer patients in the epidemiological study.
| Clinicopathologic information | Case no. (%) |
|---|---|
| Tumor Type | |
| IDC | 496 (96.1) |
| Others | 20 (3.9) |
| Tumor Size (cm) | |
| Less than 2 = | 210 (40.7) |
| 2 to 5 = | 228 (44.2) |
| More than 5 | 42 (8.1) |
| Unknown | 36 (7.0) |
| LN metastasis | |
| Positive | 236 (45.7) |
| Negative | 279 (54.1) |
| Unknown | 1 (0.2) |
| ER | |
| Negative | 192 (37.2) |
| Positive | 292 (56.6) |
| Unknown | 32 (6.2) |
| PR | |
| Negative | 161 (31.2) |
| Positive | 323 (62.6) |
| Unknown | 32 (6.2) |
| CerbB-2 | |
| Negative | 303 (58.7) |
| Positive | 181 (35.1) |
| Unknown | 32 (6.2) |
| P53 | |
| Negative | 338 (65.5) |
| Positive | 142 (27.5) |
| Unknown | 36 (7.0) |