Expression of PR-A in EC. Representative sections of the superficial (Block 1), deep (Block 2) and extra-tumoral(Block 3) portions of EC, as well as nonmalignant endometrial specimens (Normal) were examined for PR-A expression, as seen in the photographs (A). The expression level was examined in epithelial cells (B), stroma cells (C) and the relative expression of both cell types (epithel/stroma) (D) was calculated. Asterisks mark statistical significance (P < 0.05) compared to nonmalignant endometrial tissue (normal) (X200).
Kreizman-Shefer et al. Diagnostic Pathology 2014 9:77 doi:10.1186/1746-1596-9-77