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Table 5 KRT19 expression levels in the primary tumor

From: Detection of lymph node metastasis in lung cancer patients using a one-step nucleic acid amplification assay: a single-centre prospective study

Histological type

Total

KRT19 expression OSNA

KRT19 IHQ

Expression rate

40

++

+

+

Median score

IHC (%)

OSNA (%)

Adenocarcinoma

19

17

2

0

19

8

100

100

Squamous carcinoma

13

12

1

0

13

7.9

100

100

Adenosquamous carcinoma

2

2

0

0

2

8

100

100

Large cell carcinoma

2

2

0

0

2

5.5

100

100

Mixed neuroendocrine tumor

1

1

0

0

1

6

100

100

Lymphoepithelioma-like carcinoma

1

1

0

0

1

6

100

100

Small cell carcinoma

2

1

0

1

1

5

50

50