Malignant Carcinoid SyndromeCarcinoid TumorCarcinoid Heart DiseaseHydroxyindoleacetic AcidIleal NeoplasmsOctreotideFlushingNeuroendocrine TumorsIntestinal NeoplasmsGastrointestinal NeoplasmsBronchial NeoplasmsAppendiceal NeoplasmsSyndromeSomatostatinLiver NeoplasmsChromograninsChromogranin ASerotoninACTH Syndrome, EctopicHepatic ArteryDuodenal NeoplasmsThymus NeoplasmsAntineoplastic Agents, HormonalTomography, X-Ray ComputedDiarrheaDelayed-Action PreparationsParaneoplastic Endocrine SyndromesCushing SyndromeCarcinoma, NeuroendocrineTumor Markers, BiologicalEnterochromaffin CellsProctoscopyCommon Bile Duct NeoplasmsReceptors, Somatostatin