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  Indian J Med Microbiol
 

Figure 3: Neuroendocrine carcinoma, small-cell type; immunohistochemically, the tumor cells were positive for chromogranin A (a), synaptophysin (b), and CD56 (c). In addition, the Ki-67 (d) proliferation labeling index was very high (>80%)

Figure 3: Neuroendocrine carcinoma, small-cell type; immunohistochemically, the tumor cells were positive for chromogranin A (a), synaptophysin (b), and CD56 (c). In addition, the Ki-67 (d) proliferation labeling index was very high (>80%)