Table 3.
Association of Family History of Breast Cancer with Pathology Diagnosis for Tissue Samples after Screening Mammogram
| Age at mammogram | |||||||
|---|---|---|---|---|---|---|---|
| Tissue Diagnosis | Family Hx of BC | 18–39 | 40–49 | 50–59 | 60–69 | 70–79 | 80+ |
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | ||
| Invasive | Yes | 27 (5.5) | 226 (11.5) | 443 (20.1) | 404 (29.5) | 399 (39.2) | 179 (50.0) |
| No | 71 (4.4) | 914 (9.4) | 1627 (18.2) | 1461 (26.3) | 1261 (35.5) | 487 (44.5) | |
| DCIS | Yes | 20 (4.1) | 124 (6.3) | 178 (8.1) | 109 (8.0) | 85 (8.3) | 33 (9.2) |
| No | 34 (2.1) | 384 (4.0) | 563 (6.3) | 426 (7.7) | 250 (7.0) | 93 (8.5) | |
| ADH | Yes | 10 (2.1) | 65 (3.3) | 93 (4.2) | 57 (4.2) | 34 (3.3) | 8 (2.2) |
| No | 27 (1.7) | 314 (3.2) | 367 (4.1) | 198 (3.6) | 105 (3.0) | 35 (3.2) | |
| Lobular | Yes | 4 (0.8) | 24 (1.2) | 32 (1.5) | 10 (0.7) | 5 (0.5) | 3 (0.8) |
| No | 6 (0.4) | 92 (1.0) | 112 (1.3) | 54 (1.0) | 24 (0.7) | 6 (0.5) | |
| Benign/Non-atypical | Yes | 426 (87.5) | 1526 (77.7) | 1453 (66.1) | 791 (57.7) | 495 (48.6) | 135 (37.7) |
| No | 1483 (91.5) | 7970 (82.4) | 6262 (70.1) | 3417 (61.5) | 1912 (53.8) | 473 (43.2) | |
*
Family Hx of BC = Family history of breast cancer (self-report of at least one first-degree relative with a history of breast cancer
Note: Percents are with particular diagnosis within each family history group and age group.