Fig. 3From: Bladder metastasis from primary breast cancer: a case reportImmunohistochemical findings. Immunohistochemically, the tumor cells were positive for CK-7 (a) but negative for CK-20 (b). ER (c), GCDFP-15 (d), and HER2 (e) were positive. All scale bars, 20 μmBack to article page