BreastHormonesCarcinoma, Ductal, BreastBreast DiseasesThyroid HormonesFollicle Stimulating HormoneLuteinizing HormoneParathyroid HormoneBreast FeedingGonadal Steroid HormonesGonadotropin-Releasing HormoneReceptors, EstrogenReceptors, Thyroid HormoneHuman Growth HormoneBreast Neoplasms, MaleAdrenocorticotropic HormoneMammographyReceptors, ProgesteronePituitary HormonesFibrocystic Breast DiseaseEstradiolCell Line, TumorReceptor, erbB-2Hormone Replacement TherapyTamoxifenBreast ImplantsEstrogensTriiodothyronineBreast Self-ExaminationJuvenile HormonesPostmenopauseGene Expression Regulation, NeoplasticCarcinoma, Intraductal, NoninfiltratingGrowth Hormone-Releasing HormonePrognosisCarcinoma, LobularTumor Markers, BiologicalMastectomyAntineoplastic Agents, HormonalRNA, MessengerProlactinImmunohistochemistryMenopauseNeoplasm InvasivenessTestosteroneCorticotropin-Releasing HormoneRisk FactorsCase-Control StudiesPeptide HormonesThyroxinePituitary GlandHypothalamic HormonesTime FactorsUltrasonography, MammaryNeoplasm MetastasisProgesteroneAnti-Mullerian HormoneGonadal HormonesPremenopauseTumor Cells, CulturedThyroid Hormone Receptors betaEstrogen Receptor alphaGenes, BRCA1ThyrotropinLymphatic MetastasisNeoplasm StagingPituitary Hormones, AnteriorSignal TransductionGastrointestinal HormonesCarcinomaNeoplasms, Hormone-DependentMilk, HumanMastectomy, SegmentalNeoplasm ProteinsAntineoplastic AgentsMammaplastyHormone AntagonistsMammary Glands, HumanBreast CystNipplesFibroadenomaMCF-7 CellsCell ProliferationGlycoprotein Hormones, alpha SubunitThyroid Hormone Receptors alphaMolecular Sequence DataReverse Transcriptase Polymerase Chain ReactionChemotherapy, AdjuvantOvariectomyInsect HormonesEstrogen AntagonistsPregnancyAromatase InhibitorsPituitary Hormone-Releasing HormonesInvertebrate HormonesMammary Neoplasms, ExperimentalPituitary Hormones, PosteriorProgestinsReceptors, SomatotropinHydrocortisone