4、.ResultsInboth the glandular epitheliumandstromaofendometrialpolyps,ER,BCL2andKi67showedsignificantlymorepositivestainingthantheinactiveendometriumfromthecontrolgroup(P<0.05).TherewasnodifferenceinexpressionofPRbetweenthetwogroups.ConclusionERmayplayaroleinthedevelopmentofp