Fig. 5
From: Napsin A levels in epithelial lining fluid as a diagnostic biomarker of primary lung adenocarcinoma
Correlations of levels of napsin A in ELF. a Correlation between the levels of napsin A in ELF (ELF-napsin A) and the serum levels of napsin A (serum-napsin A) (n = 28, P = 0.916, r = 0.021). b Correlation between ELF-napsin A and the tumour size at surgery (n = 29, P = 0.053, r = 0.362). ELF: epithelial lining fluid