Table 5.

IHC status of HER2 in paired biopsy and resected specimens

Biopsy specimens	Resected specimens
	0	1+	2+	3+	Total
0	47	54	20	1	122
1+	33	92	19	3	147
2+	17	40	71	10	138
3+	1	11	9	31	52
Total	98	197	119	45	459