Table 2. Frequencies and proportion of first distant metastases, by time since diagnosis and site, in the study cohort of breast cancer patients in the Stockholm and Gotland Swedish counties, 1990–2006, followed for up to 10 years since diagnosis.
| Site of first distant metastasis | 0–2 Years, n (%) | 2–5 Years, n (%) | 5–10 Years, n (%) | 0–10 Years, n (%) |
|---|---|---|---|---|
| Skeleton |
97 (29.9) |
126 (31.7) |
100 (36.5) |
323 (32.5) |
| Lung |
24 (7.4) |
41 (10.3) |
22 (8.0) |
87 (8.7) |
| Liver |
50 (15.4) |
36 (9.1) |
22 (8.0) |
108 (10.9) |
| Pleura |
12 (3.7) |
17 (4.3) |
16 (5.8) |
45 (4.5) |
| CNS |
22 (6.8) |
17 (4.3) |
5 (1.8) |
44 (4.4) |
| Other |
31 (10.0) |
32 (8.1) |
43 (15.7) |
106 (10.7) |
| Multiple |
88 (27.2) |
128 (32.2) |
66 (24.1) |
282 (28.3) |
| Total (any site) | 324 (100.0) | 397 (100.0) | 274 (100.0) | 995 (100.0) |
Abbreviation: CNS=central nervous system.