Chromogranin AImmunohistochemistryPancreatic HormonesAdrenal MedullaNeuroendocrine TumorsChromaffin GranulesNeurosecretory SystemsCarcinoid TumorSynaptophysinCarcinoma, NeuroendocrineTumor Markers, BiologicalChromaffin SystemImmunoenzyme TechniquesEndocrine GlandsSecretogranin IISecretory VesiclesRNA, MessengerNerve Tissue ProteinsCatecholaminesEnterochromaffin CellsEnterochromaffin-like CellsPheochromocytomaEndocrine Gland NeoplasmsCytoplasmic GranulesCattleCarboxypeptidase HPeptide FragmentsReverse Transcriptase Polymerase Chain ReactionChromaffin CellsNeoplasms, Nerve TissueAdrenal Gland NeoplasmsBlotting, WesternNeuroendocrine CellsMolecular Sequence DataAmino Acid SequenceEnteroendocrine CellsIn Situ HybridizationPhosphopyruvate HydrataseProprotein Convertase 2Paraganglioma, Extra-AdrenalPancreatic NeoplasmsPrognosisColitis, Lymphocytic