Table 3.

Characteristics of the patients who had tumor recurrences

Patient	Age (y)	Tumor size (cm)	ER	PR	HER2	Grade	Chemo-therapy	Endocrine therapy	IOERT	WBRT
1	57	1.5	+	+	+	III	Yes	Yes	15 Gy	No
2	55	3	-	-	+	III	Yes	No	15 Gy	No
3	36	2	-	-	-	II	Yes	No	8 Gy	50 Gy
4	42	2	-	-	-	III	Yes	No	15 Gy	No

ER, estrogen receptor; PR, progesterone receptor; HER2, human epidermal growth factor receptor-2; IOERT, intraoperative electron radiation therapy; WBRT, whole breast radiation therapy.