Graphical representation of protein expression level of biomarkers obtained by IHC as the percent of cells positively staining for each antigen biomarker The protein expression of MRE11 (A), RAD50 (B) and 2 known biomarkers Her2 (C), and p53 (D) in normal (healthy women), serous cystadenoma, early and late stage serous OVCA, early and late stage non-serous OVCA is shown above. The gray bar indicates the median value for each class of tissue sample.