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Figure 3: (a) Nodal metastasis of adenocarcioma with solid pattern (H and E, ×20). (b) The tumor cells express TTF1 (×40). (c) fluorescent in situ hybridization reveals fused signal (thick arrow) and isolated red signal (thin arrow) in the same nucleus (Oil, ×100)

Figure 3: (a) Nodal metastasis of adenocarcioma with solid pattern (H and E, ×20). (b) The tumor cells express TTF1 (×40). (c) fluorescent in situ hybridization reveals fused signal (thick arrow) and isolated red signal (thin arrow) in the same nucleus (Oil, ×100)