Table 2.

Patient Clinical Characteristics

Number of subjects	83
Follow-up (months)
Median (Range)	40 (10.1–73)
Age (years)
Median (Range)	53.4 (33.9–79.1)
≥50 years N (%)	58 (69.9)
< 50 years N (%)	25 (30.1)
Breast Laterality N (%)
Left	40 (48.2)
Right	43 (51.8)
Histology N (%)
DCIS	16 (19.2)
Invasive Ductal	58 (69.9)
Invasive Lobular	8 (9.6)
Other	1 (1.2)
Tumor Size (mm)
Median (Range)	10.0 (0.0–40.0)
AJCC T Tumor Status N (%)
T0	1 (1.2)
Tis	17 (20.5)
T1	57 (68.7)
T2	8 (9.6)
AJCC N Nodal Status N (%)
Nx	8 (9.6)
N0	59 (70.1)
N1	15 (18.1)
N2	1 (1.2)
Estrogen Receptor N (%)
Positive	70 (84.3)
Negative	13 (15.7)
Progesterone Receptor N (%)
Positive	67 (80.7)
Negative	14 (16.9)
Unknown	2 (2.4)
Her2Neu N (%)
Positive	4 (4.8)
Negative	68 (81.9)
Unknown	11 (13.3)
Radiation Treatment N (%)
Whole Breast Alone	75 (90.4)
Regional Radiation	8 (9.6)
Systemic Therapy N (%)
Hormone Thearpy	64 (77.1)
Chemotherapy	26 (31.3)
Neoadjuvant Chemotherapy	9 (10.8)