Figure 2
The immunohistochemical staining of Fra-1 in breast carcinomas. A and B, strong nuclear and weak cytoplastic immunostaining were observed in two representative invasive ductal carcinomas. C and D, Strong nuclear and cytoplasmic double staining was very pronounced in two representative invasive ductal carcinomas. E, nonspecific immunoglobulin was used as a negative control. ×400 magnification.