Table 1 Patients, lesions and treatment characteristics
From: Single fraction of accelerated partial breast irradiation in the elderly: early clinical outcome
Patient features | Number of patients | % / (min – max) |
|---|---|---|
Patients included in SiFEBI trial | ||
Yes | 26 | 54.2 |
No | 22 | 45.8 |
Mean age (years) | 77.7 | (65.2–92.3) |
ECOG-Performans Status | ||
0 | 41 | 85.5 |
1 | 7 | 14.5 |
Tumor side | ||
Left | 28 | 54.9 |
Right | 23 | 45.1 |
Location | ||
Upper external quadrant | 20 | 39.2 |
Upper internal quadrant | 5 | 9.8 |
Lower internal quadrant | 3 | 5.9 |
Lower external quadrant | 3 | 5.9 |
Junction of external quadrant | 6 | 11.8 |
Junction of internal quadrant | 3 | 5.9 |
Junction of lower quadrant | 3 | 5.9 |
Junction of upper quadrant | 6 | 11.7 |
Periareolar | 2 | 3.9 |
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 (%) | 10 | (5–60) |
Median surg. Marg.(mm) | 5 | (1–10) |
Implant time | ||
Intra operative | 47 | 92.2 |
Post-operative | 4 | 7.8 |
Median time interv. Surg./APBI (d) | 7 | (1–63) |
Median number of vectors | 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) |
Median DNR | 0.35 | (0.23–0.56) |