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Figure 3: Representative case of EBUS-TBNA in diagnosis of metastatic lung cancer. 54-year-old female presented with RUL mass (a) and a history of thyroid cancer ten years previously. EBUS images of measurement (b) and real-time aspiration with needle within target lesion (c). Metastatic lung adenocarcinoma from thyroid carcinoma was diagnosed by H and E (d, ×20) and IHC demonstrating positive Cytokeratin 7 (e, ×20) and Thyroglobulin (f, ×20), and negative Villin, Napsin A, Cytokeratin 20, Signal-induced- proliferation-associated protein (figures not shown). RUL, right upper lobe

Figure 3: Representative case of EBUS-TBNA in diagnosis of metastatic lung cancer. 54-year-old female presented with RUL mass (a) and a history of thyroid cancer ten years previously. EBUS images of measurement (b) and real-time aspiration with needle within target lesion (c). Metastatic lung adenocarcinoma from thyroid carcinoma was diagnosed by H and E (d, ×20) and IHC demonstrating positive Cytokeratin 7 (e, ×20) and Thyroglobulin (f, ×20), and negative Villin, Napsin A, Cytokeratin 20, Signal-induced- proliferation-associated protein (figures not shown). RUL, right upper lobe