AdenomaPituitary NeoplasmsCarcinoma, Islet CellAdenoma, ChromophobeAdenoma, Islet CellAdrenal Gland NeoplasmsGrowth Hormone-Secreting Pituitary AdenomaParathyroid DiseasesPituitary ACTH HypersecretionProlactinomaAdrenal Cortex NeoplasmsPancreatic NeoplasmsAdenoma, PleomorphicNeuroendocrine TumorsAdenoma, VillousPituitary GlandAcromegalyPancreatectomyParagangliomaCushing SyndromeIncidental FindingsInsulinomaAdrenocortical AdenomaAdrenocorticotropic HormoneOctreotideAdenoma, Liver CellThyrotropinHuman Growth HormoneImmunohistochemistryLaparoscopyColorectal NeoplasmsColonic PolypsNephrectomyACTH-Secreting Pituitary AdenomaAdenoma, AcidophilColonoscopyAdenomatous PolypsAdenoma, BasophilFollow-Up StudiesTreatment Outcome