Table 2.

Results of OSNA and histology (H&E Staining and CK19 IHC) for 184 LN

OSNA	HISTOLOGIC INVESTIGATION
	Macrometastases	Micrometastases	Negative
++	27	2	2 (1)
+	8	-	3 (2)
-	3 (2)	-	139
Total	38 (37)	2	144 (142)

Numbers in brackets indicate samples after discordant sample analysis, ++: CK19 mRNA copies/μL higher than 5000, +:CK19 mRNA between 250 - 5000 copies/μL, -: CK 19 mRNA copies/μL less than 250