Figure 1.

Expression of TTF-1, Napsin A and IMP3 in lung adenocarcinoma.A Tumor tissue infiltrates bronchal mucosa, B Nuclei of malignant cells are positive to TTF-1, C Weak cytoplasmatic granular positivity to Napsin A. D Strong granular cytoplasmatic positivity to Napsin A. E Negative expression od IMP3, F positive expression of IMP3 (200x).

Beljan Perak et al. Diagnostic Pathology 2012 7:165   doi:10.1186/1746-1596-7-165
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