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. 2005 May;166(5):1533–1539. doi: 10.1016/S0002-9440(10)62369-3

Figure 4.

Figure 4

Neuroendocrine marker (chromogranin A) staining in small-cell carcinoma with coexisting urothelial carcinoma. A: Left, urothelial carcinoma; right, small-cell carcinoma (H&E staining, original magnification, ×40); B: chromogranin A staining (original magnification, ×40); C: urothelial carcinoma (H&E staining, original magnification, ×200); D: chromogranin A was negative in urothelial carcinoma component (original magnification, ×200); E: small-cell carcinoma (H&E staining, original magnification, ×200); F: small-cell carcinoma component showed positive cytoplasmic staining for chromogranin A (original magnification, ×200).