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. Author manuscript; available in PMC: 2020 May 1.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2018 Dec 21;104(1):75–82. doi: 10.1016/j.ijrobp.2018.12.025

Table 1:

Patient Characteristics

Variable (n=73)		Value^*
Age, median (IQR)		66 (60–70)
Follow-up		14 (6–22)
Laterality	Right	40 (55%)
Laterality	Left	33 (45%)
Histology	Ductal	69 (95%)
	Lobular	1 (1%)
	Other	3 (4%)
Invasive		58 (79%)
DCIS		15 (21%)
Grade	1	29 (40%)
	2	35 (48%)
	3	9 (12%)
Tumor size	≤ 1 cm	48 (66%)
	>1–2 cm	21 (29%)
	> 2–2.5 cm	4 (5%)
LN negative		73 (100%)
# LNs removed		2 (1–3)
ER status	Positive	70 (96%)
ER status	Negative	3 (4)
Her-2 Positive		1 (2%)
Adjuvant Endocrine therapy		47 (64%)
Adjuvant Chemotherapy		0 (0%)

^*

Continuous variables are reported as median (IQR). Categorical variables reported as number (%).