Endometrial HyperplasiaHyperplasiaEndometrial NeoplasmsEndometriumProgestinsProstatic HyperplasiaPolypsUterine DiseasesCarcinoma, EndometrioidUterine HemorrhageLevonorgestrelHysterectomyEndometritisUterine NeoplasmsIntrauterine Devices, MedicatedCurettageContraceptive Agents, FemalePrecancerous ConditionsDilatation and CurettageAdrenal Hyperplasia, CongenitalLynestrenolAdenocarcinomaAnimals, ZooImmunohistochemistryUterusCarcinoma in SituGingival HyperplasiaThymus HyperplasiaFocal Nodular HyperplasiaHysteroscopyCarcinomaRats, Mutant StrainsBiopsyReceptors, ProgesteronePTEN PhosphohydrolaseEstrogensWorld Health OrganizationLeiomyomaTumor Markers, BiologicalTunica IntimaImmunoenzyme Techniques