| Histology (ICD-O) (2) | All Races | Asian/Other | Black | Hispanic | White | ||||||
| < 50 | 50 + | < 50 | 50 + | < 50 | 50 + | < 50 | 50 + | < 50 | 50 + | ||
| Breast-Invasive | 19,761 | 64,415 | 1,705 | 2,457 | 1,564 | 3,078 | 2,897 | 4,972 | 13,421 | 53,351 | |
| Infiltrating duct carcinoma, NOS (8500) | 14,316 | 45,967 | 1,263 | 1,795 | 1,111 | 2,107 | 2,043 | 3,533 | 9,778 | 38,166 | |
| Lobular carcinoma (8520,8521) | 1,004 | 5,073 | 55 | 103 | 56 | 165 | 111 | 293 | 774 | 4,470 | |
| Infiltrating duct and lobular carcinoma (8522) | 838 | 2,915 | 65 | 80 | 43 | 98 | 96 | 209 | 629 | 2,502 | |
| Comedocarcinoma (8501) | 811 | 1,491 | 90 | 103 | 80 | 85 | 122 | 133 | 514 | 1,163 | |
| Adenocarcinoma, NOS (8140) | 469 | 1,719 | 35 | 63 | 50 | 128 | 89 | 145 | 292 | 1,355 | |
| Mucinous & mucin-producing adenocarcinoma (8480,8481) | 244 | 1,803 | 52 | 82 | 13 | 106 | 34 | 143 | 140 | 1,450 | |
| Unspecified carcinoma or cancer, NOS | 361 | 1,235 | 23 | 54 | 32 | 93 | 81 | 113 | 207 | 945 | |
| Medullary carcinoma (8510,8512) | 641 | 798 | 41 | 44 | 86 | 75 | 142 | 101 | 368 | 575 | |
| Inflammatory carcinoma (8530) | 398 | 751 | 26 | 36 | 43 | 66 | 88 | 96 | 241 | 553 | |
| Tubular adenocarcinoma (8211) | 178 | 855 | 5 | 15 | 6 | 22 | 14 | 47 | 150 | 763 | |
| Paget's disease (8540-8543) | 209 | 581 | 14 | 24 | 22 | 42 | 26 | 45 | 146 | 456 | |
| Papillary adenocarcinoma (8050,8260,8503) | 79 | 444 | 13 | 30 | 6 | 49 | 11 | 43 | 49 | 317 | |
| Sarcoma | 99 | 137 | 14 | 4 | 1 | 3 | 24 | 21 | 59 | 108 | |
| Scirrhous adenocarcinoma (8141) | 28 | 148 | 3 | 2 | 2 | 12 | 5 | 18 | 18 | 116 | |
| All other neoplasms | 86 | 498 | 6 | 22 | 13 | 27 | 11 | 32 | 56 | 412 | |
| Breast-in situ | 3,337 | 8,099 | 254 | 328 | 167 | 366 | 340 | 526 | 2,517 | 6,754 | |
| Non-infiltrating intraductal carcinoma, NOS (8500) | 1,708 | 4,599 | 128 | 191 | 93 | 222 | 179 | 291 | 1,287 | 3,826 | |
| Non-infiltrating comedocarcinoma (8501) | 596 | 1,455 | 63 | 55 | 27 | 43 | 54 | 90 | 444 | 1,255 | |
| Lobular carcinoma in situ (8520,8521) | 639 | 941 | 25 | 15 | 27 | 32 | 63 | 60 | 503 | 806 | |
| Papillary adenocarcinoma in situ (8050,8260,8503) | 126 | 493 | 16 | 38 | 8 | 36 | 13 | 43 | 86 | 371 | |
| Intraductal and lobular carcinoma in situ (8522) | 145 | 287 | 9 | 5 | 8 | 9 | 18 | 24 | 106 | 240 | |
| All other in situ neoplasms | 123 | 324 | 13 | 24 | 4 | 24 | 13 | 18 | 91 | 256 | |
Source: California Cancer Registry, November 1994. Excludes lymphohematopoietic neoplasms of the breast (ICD-O, Field Trial edition, histology codes 9590-9970) (2).
1 Race/ethnicity categories are mutually exclusive. Persons of Hispanic ethnicity are identified by medical record and/or surname, and may be of any race. Persons of unknown race/ethnicity are excluded from race-specific data.
2 Numbers in parentheses are ICD-O, Field Trial edition, histology codes (2). Where not specified, groups are as defined by Berg (11). NOS=not otherwise specified.
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