Intraoperative Full-Dose of Partial Breast Irradiation with Electrons Delivered by Standard Linear Accelerators for Early Breast Cancer

Table 1

Characteristics of the patients.

		(%)
Age (years)
<50	45	29.6
50–59	39	25.6
≥60	68	44.7
Menopausal status
Before menopause	36	23.6
After menopause	116	76.4
Tumor size
pT1	133	87.5
pT2	19	12.5
Estrogen receptor
Positive	140	92.1
Negative	12	7.9
Progesterone receptor
Positive	140	92.1
Negative	12	7.9
Grading
G1	14	9.2
G2	79	51.9
G3	59	38.8