pleomorphic ca 4pleomorphic ca 3 
 Figure 1. H&E, 5x. (core biopsy)Figure 2. H&E, 10x, core biopsy. 
 pleomorphic ca 1pleomorphic ca 2 
Figure 3. AE1/AE3 positivity in pleomorphic, bizzare tumor cells, 10x. Figure 4. AE1/AE3 positivity in tumor cells; note the dense inflammatory background, 10x.