Table 1 Patient and tumor characteristics of 41 breast cancer patients
Age (years) median (range) | 62 (39–91) |
Tumor diameter (mm) median (range) | 16 (6–100) |
Histological tumor type N (%) | Â |
 Ductal | 35 (85.4) |
 Lobular | 5 (12.2) |
 Medullar | 1 (2.4) |
Estrogen receptor status N (%) | Â |
 Positive | 33 (80.5) |
 Negative | 8 (19.5) |
Progesterone receptor status N (%) | Â |
 Positive | 28 (68.3) |
 Negative | 13 (31.7) |
Her2-neu status (FISH a ) N (%) | Â |
 Positive | 3 (7.3) |
 Negative | 38 (92.7) |
LVI c N (%) | Â |
 Yes | 10 (24.4) |
 No | 31 (75.6) |
Elston histological grading N (%) | Â |
 1 | 8 (19.5) |
 2 | 19 (46.3) |
 3 | 14 (34.1) |
Ki 67 in tumor cells (%) mean (sd) | 24.6 (19.9) |
Sentinel node result N (%) | Â |
 N0 | 29 (70.7) |
 N1 | 12 (29.3) |
Tumor intrinsic subtype N (%) | Â |
 Luminal A | 18 (43.9) |
 Luminal B | 14 (34.1) |
 Luminal B Her2-neu positive | 1 (2.4) |
 Her2-neu over-expressing non-luminal | 2 (4.9) |
 Basal-like | 6 (14.6) |