Table 5.

Comparisons on pathology between CNB and excisional biopsy among cases receiving neoadjuvant chemotherapy (cases/total number%).

	Tumor proportion		DCIS	Tumor thrombus	Nerve invasion
Upward	8/26 = 30.77	All	13/26 = 50	2/26 = 7.69
Downward	11/26 = 42.31	None	4/26 = 15.38	17/26 = 65.38
General alteration	(8 + 11)/26 = 73.08	Consistent	(13 + 4)/26 = 65.38	(2 + 17)/26 = 73.08
Equivalent	7/26 = 26.92	Existing only in CNB	0/26 = 0	0/26 = 0
		Existing only in general group	9/26 = 34.62	7/26 = 26.92	7/26 = 26.92
		Existing in CNB	13/26 = 50	2/26 = 7.69
		Existing in general group	22/26 = 86.62	9/26 = 34.62

CNB = core needle biopsy, DCIS = ductal carcinoma in situ.