Table 2. HER2-scores for the analysed primary tumours and the corresponding lymph node metastases (n=47).

	Lymph node metastases HER2-scores
Primary tumour HER2-scores	0	1+	2+	3+
0	13	0	0	0
1+	6	2	0	0
2+	0	0	3	0
3+	0	0	1	22