Table 1.
Overview of the clinicopathological features for the preliminary (n = 495) and study (n = 97) cohorts. Tumor data for the study cohort pertain to the 67 primary tumors.
| Preliminary Cohort | Study Cohort | |
|---|---|---|
| No. of Cases | 495 | 97 (67 *) |
| Average Patient Age, yrs | 61 | 60 |
| Range | 29–95 | 30–80 |
| Tumor Type, No. (%) | ||
| Ductal | 394 (80) | 55 (82) |
| Lobular | 75 (15) | 6 (9) |
| Other | 26 (5) | 6 (9) |
| Tumor Grade, No. (%) | ||
| 1 | 112 (23) | 9 (14) |
| 2 | 237 (48) | 30 (45) |
| 3 | 146 (29) | 28 (42) |
| ER positive, No. (%) | 421 (85) | 58 (87) |
| PR positive, No. (%) | 371 (75) | 52 (78) |
| HER2 positive, No. (%) | 59 (12) | 10 (15) |
* 67 were primary tumors, and clinicopathological data pertains only to primaries.