Receptors, SomatostatinNeuroendocrine TumorsSomatostatinOctreotideReceptors, EstrogenReceptors, ProgesteroneBreast NeoplasmsCarcinoid TumorCarcinoma, NeuroendocrinePancreatic NeoplasmsGastrointestinal NeoplasmsSomatostatin-28Chromogranin AIndium RadioisotopesTumor Markers, BiologicalDigestive System NeoplasmsPentetic AcidNeurosecretory SystemsEndocrine Gland NeoplasmsImmunohistochemistryRadiopharmaceuticalsCell Line, TumorNeuroendocrine CellsIntestinal NeoplasmsChromograninsGastrinomaIleal NeoplasmsAntineoplastic Agents, HormonalGlucagonomaVipomaCarcinoma, Islet CellTumor BurdenPrognosisParagangliomaGallium RadioisotopesPituitary NeoplasmsInsulinomaBronchial NeoplasmsSomatostatinomaTamoxifenZollinger-Ellison SyndromeOrganometallic CompoundsRNA, MessengerNeoplasm StagingKi-67 AntigenLiver NeoplasmsTreatment OutcomeNeoplasm MetastasisReceptor, erbB-2Peptides, CyclicGene Expression Regulation, NeoplasticTumor Necrosis Factor-alphaLutetiumReceptors, NeurotransmitterNorbornanesPositron-Emission TomographyTumor Suppressor Protein p53PheochromocytomaLung NeoplasmsNeoplasms, Hormone-DependentCell ProliferationAntineoplastic AgentsImmunoenzyme TechniquesAdenocarcinomaMice, NudeAdenoma, Islet CellYttrium RadioisotopesLymphatic MetastasisCell DivisionRetrospective StudiesTomography, X-Ray ComputedMultiple Endocrine Neoplasia Type 1Radionuclide Imaging3-IodobenzylguanidineSignal TransductionTime FactorsSurvival AnalysisWilms TumorAntibodies, MonoclonalNeoplasmsNeoplasms, ExperimentalBrain NeoplasmsReverse Transcriptase Polymerase Chain ReactionAdenomaMeningiomaApudomaNeoplasm ProteinsDisease-Free SurvivalNeoplasm Recurrence, LocalGenes, Tumor SuppressorDuodenal NeoplasmsPancreasAdrenal Gland NeoplasmsTumor Cells, CulturedButanesTissue DistributionGrowth Hormone-Secreting Pituitary AdenomaCell LineCarcinoma, Ductal, BreastCarcinoma, Medullary