Table 2.
Age, y | Invasive cancer | DCIS | LCIS | Atypical hyperplasiaa | Other atypical typesb | Intraductal papilloma | Radial Scar | Sclerosing adenosis | Fibro-adenoma | Hyperplasia without atypiac | Benign non-proliferative |
---|---|---|---|---|---|---|---|---|---|---|---|
<40 | 55 | 11 | 2 | 22 | 4 | 48 | 7 | 9 | 450 | 30 | 377 |
40–49 | 229 | 94 | 19 | 125 | 27 | 70 | 23 | 26 | 386 | 98 | 726 |
50–59 | 418 | 147 | 40 | 134 | 38 | 64 | 15 | 27 | 201 | 78 | 698 |
60–69 | 476 | 128 | 11 | 93 | 20 | 56 | 4 | 12 | 159 | 50 | 466 |
70–79 | 297 | 69 | 8 | 34 | 11 | 25 | 3 | 6 | 67 | 21 | 212 |
≥80 | 234 | 42 | 2 | 17 | 6 | 7 | 3 | 0 | 19 | 8 | 68 |
Total | 1709 (23.3) | 491 (6.7) | 82 (1.1) | 425 (6.0) | 106 (1.4) | 270 (3.7) | 55 (0.8) | 80 (1.1) | 1282 (17.5) | 285 (3.9) | 2547 (34.7) |
Atypical ductal hyperplasia, atypical lobular hyperplasia.
Flat epithelial atypia, papillary atypia, apocrine atypia.
Columnar hyperplasia, usual ductal hyperplasia.
Abbreviations: DCIS, ductal carcinoma in situ; LCIS, lobular carcinoma in situ.