Figure 3From: A novel combination of multiple primary carcinomas: Urinary bladder transitional cell carcinoma, prostate adenocarcinoma and small cell lung carcinoma- report of a case and review of the literatureThe bronchial mucosa showed extensive invasion from small blue round cells (A: hematoxylin and eosin × 100) that were positive for the neuroendocrine marker CD56 (B: × 200) and pan-cytokeratin (C: × 200).Back to article page