Age (y) | Â |
 20 ~ 29 | 3 |
 30 ~ 39 | 35 |
 40 ~ 49 | 104 |
 50 ~ 59 | 117 |
 60 ~ 69 | 124 |
 70 ~ 79 | 41 |
 80 ~ 89 | 4 |
Irradiated breast (right/left/bilateral) | 211/208/9 |
Collagen vascular disease (yes/no) | 4/424 |
Allergy disease (yes/no) | 20/408 |
Lung disease (yes/no) | 2/426 |
Diabetes (yes/no) | 29/399 |
Smoking habit (yes/no/unknown) | 30/371/27 |
Clinical stage (UICC) | Â |
 0 | 30 |
 I | 215 |
 IIA | 110 |
 IIB | 47 |
 IIIA | 11 |
 IIIB | 17 |
 IIIC | 3 |
 IV | 1 |