Paraneoplastic SyndromesParaneoplastic Syndromes, Nervous SystemParaneoplastic PolyneuropathyParaneoplastic Cerebellar DegenerationCarcinoma, Small CellLambert-Eaton Myasthenic SyndromeParaneoplastic Syndromes, OcularInappropriate ADH SyndromeOsteoarthropathy, Secondary HypertrophicParaneoplastic Endocrine SyndromesLeukocytosisHypercalcemiaEncephalomyelitisSyndromeLimbic EncephalitisMyxosarcomaSmall Cell Lung CarcinomaCerebellar DiseasesLung NeoplasmsThymomaOcular Motility DisordersEndocrine System DiseasesNervous System DiseasesPolymyositisFatal OutcomeCachexiaHypophosphatemiaThymus NeoplasmsRecoverinParathyroid Hormone-Related ProteinMaxillary NeoplasmsAutoantibodiesDermatomyositisCentral Nervous SystemHu Paraneoplastic Encephalomyelitis AntigensNeuromuscular DiseasesStiff-Person SyndromeNervous SystemOpsoclonus-Myoclonus SyndromePemphigusCentral Nervous System DiseasesAutoimmune Diseases of the Nervous System