4、epresenceofER,PR,BCL2,Ki67weredetectedbyimmunohistochemicalstaining.ResultsInboth the glandular epitheliumandstromaofendometrialpolyps,ER,BCL2andKi67showedsignificantlymorepositivestainingthantheinactiveendometriumfromthecontrolgroup(P<0.05).Therewasno