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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