Table 4.

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

	Duct	Cellular heteromorphism	Mitotic figure	Histological scoring	Histological grading
Upward	2/24 = 8.33	6/24 = 25	7/24 = 29.17	10/24 = 41.67	8/24 = 33.33
Downward	0/24 = 0	3/24 = 12.5	5/24 = 20.83	8/24 = 33.33	5/24 = 20.83
General alteration	(2 + 0)/24 = 8.33	(6 + 3)/24 = 37.5	(7 + 5)/24 = 50	(10 + 8)/24 = 75	(8 + 5)/24 = 54.17
Equivalent	22/24 = 91.67	15/24 = 62.5	12/24 = 50	6/24 = 25	11/24 = 45.83

CNB = core needle biopsy.