Fig. 3
From: Metastatic non-muscle invasive transitional cell carcinoma of urinary bladder: a case report
a Low power magnification view of trucut axillary lymph node biopsy, showing nests of atypical epithelial cells with intervening fibrous stroma. No lymphoid tissue is seen. b High power magnification view, showing nests of atypical epithelial cells with abundant eosinophilic cytoplasm, pleomorphic, hyperchromatic nuclei and intervening fibrous stroma. c Immunohistochemical marker Cytokeratin-7 (CK-7) and Cytokeratin-20 (CK-20) showing diffuse cytoplasmic positivity in tumor cells. d Immunohistochemical marker GATA-3 showing diffuse nuclear positivity in tumor cells. e Immunohistochemical markers Estrogen receptors (ER), Progesterone receptor (PR), GCDFP-15 are negative in tumor cells.