Zagouri et al. BMC Cancer 2010, 10:409 http://www.biomedcentral.com/1471-2407/10/409 Page 4 of 6 Figure 1 Normal TDLU with strong Hsp90 immunostaining (×200) (Figure 1a, 1b). Figure 2 Infiltrative lobular carcinoma with slight Hsp90 immunoreactivity (×200) (Figure 2a, 2b, 2c) and with moderate Hsp90 expression (×200) (Figure 2d).