Neuroendocrine TumorsCarcinoma, NeuroendocrineCarcinomaNeurosecretory SystemsNeuroendocrine CellsCarcinoma, Squamous CellCarcinoma, HepatocellularChromogranin ACarcinoma in SituChromograninsCarcinoid TumorCarcinoma, PapillaryLiver NeoplasmsImmunohistochemistryCarcinoma, Small CellCarcinoma, Ductal, BreastCarcinoma, Basal CellTumor Markers, BiologicalPancreatic NeoplasmsNeuroendocrine Secretory Protein 7B2Carcinoma, Large CellLung NeoplasmsCarcinoma, MedullaryCarcinoma, Merkel CellAdenocarcinomaGastrointestinal NeoplasmsCarcinoma, BronchogenicCarcinoma, Transitional CellSynaptophysinPrognosisCell Line, TumorOctreotideThyroid NeoplasmsCarcinoma, Intraductal, NoninfiltratingCarcinoma, Adenoid CysticNeoplasm StagingGene Expression Regulation, NeoplasticTumor Cells, CulturedNeoplasm InvasivenessCarcinoma, LobularBreast NeoplasmsNasopharyngeal NeoplasmsReceptors, SomatostatinBronchial NeoplasmsDigestive System NeoplasmsCarcinoma, MucoepidermoidLymphatic MetastasisCarcinoma, AdenosquamousNeoplasm MetastasisRNA, MessengerStomach NeoplasmsHead and Neck NeoplasmsHypothalamo-Hypophyseal SystemNeoplasms, Multiple PrimaryCarcinoma, EndometrioidSomatostatinRetrospective StudiesHypothalamusNeoplasm ProteinsAntineoplastic AgentsCarcinoma, EmbryonalEsophageal NeoplasmsIntestinal NeoplasmsTreatment OutcomeMouth NeoplasmsImmunoenzyme TechniquesSkin NeoplasmsCarcinoma, DuctalOvarian NeoplasmsChromogranin BColonic NeoplasmsMice, NudeLaryngeal NeoplasmsUrinary Bladder NeoplasmsPhosphopyruvate HydrataseAdrenocortical CarcinomaNeoplasm Recurrence, LocalCarcinoma, VerrucousDNA, NeoplasmReverse Transcriptase Polymerase Chain ReactionCarcinoma, Signet Ring CellSurvival RateSurvival AnalysisPituitary-Adrenal SystemFatal OutcomeIleal NeoplasmsAdenocarcinoma, MucinousTomography, X-Ray ComputedAdrenocorticotropic HormoneUterine Cervical NeoplasmsNeoplasm TransplantationTime FactorsCell ProliferationGallbladder NeoplasmsHydrocortisoneDisease ProgressionKi-67 AntigenAntigens, NeoplasmNeuropeptidesCarcinoma, Non-Small-Cell Lung