Table 1.
Descriptive analysis of human breast cancer registered between 2010 and 2015 in the Porto District, Portugal.
| n | % | |
|---|---|---|
| Sex | ||
| Female | 7,584 | 98.8 |
| Male | 90 | 1.2 |
| Age (years) | ||
| 20–44 | 1,217 | 15.9 |
| 45–69 | 4,654 | 60.6 |
| >70 | 1,765 | 23.0 |
| Topography (ICD − O−3.2) | ||
| Nipple (C50.0) | 44 | 0.6 |
| Central portion (C50.1) | 288 | 3.8 |
| Upper-inner quadrant (C50.2) | 632 | 8.2 |
| Lower-inner quadrante (C50.3) | 278 | 3.6 |
| Upper-outer quadrant (C50.4) | 1,904 | 24.8 |
| Lower-outer quadrante (C50.5) | 345 | 4.5 |
| Axillary tail (C50.6) | 18 | 0.2 |
| Overlapping lesion (C50.8) | 2,078 | 27.1 |
| Breast, NOS (C50.9) | 2,087 | 27.2 |
| Morphologies (ICD − O−3.2) | ||
| Invasive breast carcinoma of no special type*(8500/3) | 5,679 | 74.0 |
| Lobular carcinoma, NOS (8520/3) | 707 | 9.2 |
| Infiltrating duct mixed with other types of carcinomas (8523/3) | 345 | 4.5 |
| Infiltrating duct and lobular carcinoma (8522/3) | 204 | 2.7 |
| Carcinoma, NOS (8010/3) | 165 | 2.2 |
| Mucinous adenocarcinoma (8480/3) | 105 | 1.4 |
| Neoplasm, malignant (8000/3) | 99 | 1.3 |
| Infiltrating ductular carcinoma (8521/3) | 57 | 0.7 |
| Invasive micropapillary carcinoma of breast (8507/3) | 42 | 0.5 |
| Intraductal papillary adenocarcinoma with invasion (8503/3) | 36 | 0.5 |
| Metaplastic carcinoma, NOS (8575/3) | 31 | 0.4 |
| Tubular adenocarcinoma (8211/3) | 28 | 0.4 |
| Paget disease, mammary (8540/3) | 23 | 0.3 |
| Encapsulated papillary carcinoma with invasion (8504/3) | 20 | 0.3 |
| Others | 133 | 0.7 |
Data from the North Regional Oncological Registry (RORENO). *former Infiltrating duct carcinoma, NOS.