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. 2013 Sep 1;2(5):30–36. doi: 10.7453/gahmj.2013.054

Table 2.

Pathology Results for 7332 Women With Breast Biopsies, n (%)

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)
a

Atypical ductal hyperplasia, atypical lobular hyperplasia.

b

Flat epithelial atypia, papillary atypia, apocrine atypia.

c

Columnar hyperplasia, usual ductal hyperplasia.

Abbreviations: DCIS, ductal carcinoma in situ; LCIS, lobular carcinoma in situ.