LutetiumNeuroendocrine TumorsSilicatesCarcinoma, NeuroendocrineCarcinoid TumorChromogranin AOctreotidePancreatic NeoplasmsGastrointestinal NeoplasmsCarcinomaPhotosensitizing AgentsNeurosecretory SystemsReceptors, SomatostatinNeuroendocrine CellsTomography Scanners, X-Ray ComputedDigestive System NeoplasmsPositron-Emission TomographyChromograninsTumor Markers, BiologicalCarcinoma, Squamous CellPhotochemotherapyIntestinal NeoplasmsPhantoms, ImagingSomatostatinCarcinoma, HepatocellularIleal NeoplasmsVipomaLiver NeoplasmsImmunohistochemistryBronchial NeoplasmsGastrinomaEndocrine Gland NeoplasmsCell Line, TumorGlucagonomaRadiopharmaceuticalsCarcinoma, Small CellCarcinoma, Islet CellTumor BurdenLung NeoplasmsParagangliomaEquipment DesignPheochromocytomaOrganometallic CompoundsCarcinoma in SituCarcinoma, MedullaryNeoplasm StagingNeoplasm MetastasisAdenocarcinomaIndium RadioisotopesDuodenal NeoplasmsPrognosisApudomaCarcinoma, PapillaryTomography, X-Ray ComputedInsulinomaTreatment OutcomeMultiple Endocrine Neoplasia Type 1Carcinoma, Merkel CellCarcinoma, Large CellYttrium RadioisotopesThyroid NeoplasmsSomatostatinomaSynaptophysinRetrospective StudiesAdrenal Gland NeoplasmsAntineoplastic AgentsStomach NeoplasmsGene Expression Regulation, Neoplastic3-IodobenzylguanidineTumor Necrosis Factor-alphaKi-67 AntigenNeuroectodermal TumorsCarcinoma, Ductal, BreastTumor Suppressor Protein p53Gallium RadioisotopesCell ProliferationPentetic AcidParaganglioma, Extra-AdrenalNeoplasm ProteinsCommon Bile Duct NeoplasmsZollinger-Ellison SyndromeRNA, MessengerLymphatic MetastasisSurvival AnalysisNervous System NeoplasmsNeoplasms, Multiple PrimaryThymus NeoplasmsGenes, Tumor SuppressorNeoplasms, ExperimentalNeoplasms, Complex and MixedAmpulla of VaterDNA, NeoplasmPyrrolesCarcinoma, Basal CellSkin NeoplasmsDisease ProgressionSurvival RatePhosphopyruvate HydrataseReverse Transcriptase Polymerase Chain ReactionFatal Outcome