Table 5.

Concordance (positive and negative) between each pass of the CNB and surgical specimen for histological and biomarker status.

	Core biopsy (n = 95)
	First	Second	Third	Fourth	Fifth	Sixth	Surgical specimen (n = 95)
Malignancy found	74	89	92	94	94	94	95
Tumor size
TIS	1	1	1	1	1	1	1
T1	3	7	11	13	15	16	22
T2	15	18	29	30	35	36	59
T3	2	5	5	5	5	5	10
T4	1	2	2	2	2	2	3
Pathological type	62	84	89	91	91	91	95
ER	70	85	90	92	93	93	95
PR	62	78	83	86	86	87	95
Her2	43	53	60	70	76	78	95
Grade	60	74	77	79	80	80	95
Overall concordance	24	34	44	52	56	59	95

CNB = core needle biopsy, ER = estrogen receptor, HER2 = human epidermal growth factor receptor-2, PR = progesterone receptor.