Table 1 Patient, lesion and treatment characteristics
Patient features | Number of patients | %/(min – max) |
|---|---|---|
Median age (years) | 77.7 | 65.2–92.3 |
Performans Status | ||
0 | 41 | 85.5 |
1 | 7 | 14.5 |
Tumor side | ||
Left | 28 | 54.9 |
Right | 23 | 45.1 |
Median tumor size (mm) | 12 | 3–32 |
Tumor stage | ||
T1a | 28 | 54.9 |
T1b | 18 | 35.3 |
T1c | 5 | 9.8 |
Axillary lymph node status | ||
N0 | 46 | 90.1 |
N1mic | 4 | 7.9 |
N1 | 1 | 2.0 |
Histology type | ||
Invasive ductal carcinoma | 44 | 86.3 |
Invasive lobular carcinoma | 3 | 5.9 |
Other | 4 | 7.8 |
Histological grade | ||
1 | 32 | 62.7 |
2 | 14 | 27.4 |
3 | 5 | 9.8 |
Hormonal status | ||
Positive | 48 | 94.1 |
Negative | 3 | 5.9 |
Her-2 status | ||
Over-expressed | 5 | 9.8 |
Non-over-expressed | 46 | 90.2 |
Peri-neural invasion | ||
Yes | 1 | 1.9 |
No | 50 | 98.1 |
Median Ki-67 (%) Median surg. Marg.(mm) | 10 5 | 5–60 1–10 |
Implant procedure | ||
Intra operative | 47 | 92.2 |
Post-operative | 4 | 7.8 |
Median time interv. Surg./APBI (d) | 7 | 1–63 |
Median number of lines | 11 | 5–15 |
Median number of planes | 2 | 1–3 |
Median CTV (cc) | 44 | 11–124 |
Median V100% (%) | 96 | 86–100 |
Median V150% (%) | 34 | 23–48 |
Median V200% (%) | 12 | 8–21 |
MedianDNR | 0.35 | 0.23–0.56 |