Paraneoplastic Endocrine SyndromesACTH Syndrome, EctopicParaneoplastic SyndromesParaneoplastic Syndromes, Nervous SystemParaneoplastic PolyneuropathyParaneoplastic Cerebellar DegenerationCushing SyndromeSyndromeAdrenocorticotropic HormoneBronchial NeoplasmsLimbic EncephalitisCarcinoid TumorParaneoplastic Syndromes, OcularThymus NeoplasmsPituitary ACTH HypersecretionEndocrine GlandsHydrocortisoneLambert-Eaton Myasthenic SyndromeEndocrine SystemHormones, EctopicPetrosal Sinus SamplingCarcinoma, Islet Cell