Table 1.
Sociodemographic and clinical characterisation of women with recurrent breast cancer who underwent breast-conserving surgery and were enrolled in the HSRC during the period from January 1, 2000 to December 31, 2010.
| Variable | Category | N = 60 | % |
|---|---|---|---|
| Age group | 30 to 39 years | 13 | 22% |
| 40 to 49 years | 21 | 35% | |
| 50 to 59 years | 16 | 27% | |
| 60 to 69 years | 9 | 15% | |
| 80 or more | 1 | 2% | |
|
| |||
| Race/ethnicity | White | 14 | 23% |
| Nonwhite | 46 | 77% | |
|
| |||
| Location of primary tumour | Nipple | 2 | 5% |
| Upper inner quadrant | 8 | 21% | |
| Lower inner quadrant | 5 | 13% | |
| Upper outer quadrant | 22 | 58% | |
| Lower outer quadrant | 1 | 3% | |
|
| |||
| Histological type | Others | 1 | 2% |
| Ductal and mixed carcinoma | 54 | 90% | |
| Lobular carcinoma | 5 | 8% | |
|
| |||
| Stage | Initial | 56 | 93% |
| Late | 4 | 7% | |
|
| |||
| First postsurgery treatment | RT | 22 | 36.7% |
| CT | 36 | 60.0% | |
| Hormone | 2 | 3.3% | |
| None | 0 | 0% | |
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| |||
| Laterality | Right | 32 | 53% |
| Left | 28 | 47% | |
|
| |||
| Size in cm | 0.5 or less | 3 | 5% |
| 0.6 to 1.0 | 6 | 10% | |
| 1.1 to 1.5 | 5 | 8% | |
| 1.6 to 2.0 | 16 | 27% | |
| >2.0 | 29 | 49% | |
|
| |||
| Vascular and/or lymph invasion | No | 45 | 76% |
| Yes | 14 | 24% | |
|
| |||
| Surgical margin involvement | Negative | 48 | 80% |
| Positive | 12 | 20% | |
|
| |||
| Number of axillary lymph nodes involved | 0 | 39 | 70% |
| 1–3 | 12 | 21% | |
| >3 | 5 | 9% | |
|
| |||
| Sentinel lymph node detection technique | Dye | 23 | 88% |
| Radiopharmaceutical | 2 | 8% | |
| Both | 1 | 4% | |
|
| |||
| Estrogen receptor | Negative | 17 | 29% |
| Positive | 41 | 71% | |
|
| |||
| Progesterone receptor | Negative | 18 | 31% |
| Positive | 40 | 69% | |
|
| |||
| Her-2 | Negative | 35 | 65% |
| Positive | 19 | 35% | |
|
| |||
| p53 | Negative | 31 | 69% |
| Positive | 14 | 31% | |
RT: radiotherapy, CT: chemotherapy.