Figure 2

C-Fos immunohistochemistry. (A) Moderately differentiated serous carcinoma with nuclear immunoreactivity in tumour cells (T) and weak immunostaining in nuclei of some stromal fibroblasts (S). 400 × . (B) Poorly differentiated serous carcinoma with only weak c-Fos immunostaining in tumour cells (T) and some fibroblasts (S). 400 × .