Table 1.
Breast cancer specific clinicopathologic data of 86 patients undergoing hepatic resection for breast cancer liver metastases (BCLM); ER=estrogen receptor, PR=progesterone receptor)
| Variable | No. of patients (n=86) |
% | |
|---|---|---|---|
| Age, years | |||
| ≤50 | 52 | 60 | |
| >50 | 34 | 40 | |
| Tumor histology | |||
| Infiltrating ductal carcinoma | 73 | 89 | |
| Infiltrating lobular carcinoma | 6 | 7 | |
| Mixed tumor | 3 | 4 | |
| Primary tumor status | |||
| T1-2 | 61 | 76 | |
| T3-4 | 19 | 24 | |
| Nodal status | |||
| N0/1 | 52 | 62 | |
| N2/3 | 32 | 38 | |
| Metastasis status at breast cancer diagnosis | |||
| M0 | 58 | 68 | |
| M1 | 27 | 32 | |
| Timing of detection of liver metastasis | |||
| Synchronous | 25 | 29 | |
| Metachronous | 61 | 71 | |
| Grade | |||
| 1 | 4 | 6 | |
| 2 | 26 | 41 | |
| 3 | 34 | 53 | |
| Neoadjuvant therapy prior to breast surgery | |||
| Yes | 28 | 33 | |
| No | 58 | 67 | |
| Breast surgery type | |||
| Breast conserving surgery | 26 | 30 | |
| Mastectomy | 60 | 70 | |
| Hormone receptor status | |||
| ER and/or PR+ | 59 | 69 | |
| ER-/PR − | 21 | 24 | |
| Unknown | 6 | 7 | |
| Her-2/-neu status | |||
| Positive | 32 | 37 | |
| Negative | 40 | 47 | |
| Unknown | 14 | 16 |